Anthony, A., Bogle, D., Ingram, T.T.S. & McIsaac, M. (1971). Edinburgh Articulation Test: Textbook (Edinburgh: Churchill Livingstone).
2.
Arlt, P. & Goodban, T. (1976). 'A comparative study of articulation acquisition as based on a study of 240 normals, aged three to six'. Lang. Speech Hear. Serv. Schools, 7, 173-180.
Cruttenden, A. (1979). Language in Infancy and Childhood ( Manchester: Manchester University Press).
5.
Crystal, D. (1973). 'Linguistic mythology and first year of life' . Brit. J. Disord. Commun. 8, 29-36.
6.
Crystal, D. (1976). Child Language, Learning and Linguistics (London: Edward Arnold).
7.
Crystal, D. (1979). 'Prosodic development'. In P. Fletcher & M. Garman (eds), Language Acquisition, 33-48 (London: Cambndge University Press).
8.
Crystal, D., Fletcher, P. & Garman, M. (1976). The Grammatical Analysis of Language Disability (London: Edward Arnold).
9.
Dale, P.S. (1976). Language Development, 2nd Edition (New York: Holt, Rmehart & Winston).
10.
DeVilliers, J.G. & DeVilliers, P.A. (1978). Language Acquisition (Cambridge, Mass.: Harvard University Press ).
11.
Dore, J., Franklin, M.B., Miller, R.T. & Ramer, A.L.H. (1976). 'Transitional phenomena in early language acquisition' . J. Child Lang. 3, 13-28.
12.
Ferguson, C.A. (1978a). 'Learning to pronounce: the earliest stages of phonological development in the child'. In F. D. Minifie & L. L. Lloyd (eds), Communicative and Cognitive Abilities - Early Behavioral Assessment , 273-297 (Baltimore: University Park Press).
13.
Ferguson, C.A. (1978b). 'Fricatives in child language acquisition'. In V. Honsa & M. J. Hardman-de-Bautista (eds), Papers on Linguistics and Child Language, 93-115 (The Hague. Mouton ).
14.
Ferguson, C.A. & Farwell, C.B. (1975). 'Words and sounds in early language acquisition' . Language, 51, 419-439.
15.
Garman, M. (1979). 'Micro-profile of Stage I'. In D. Crystal (ed.), Working with LARSP, 119-131 (London : Edward Arnold).
16.
Grunwell, P. (1975). 'The phonological analysis of articulation disorders' . Brit. J. Disord. Commun. 10, 31-42.
17.
Grunwell, P. (1980a). 'Developmental language disorders at the phonological level'. In F. M. Jones (ed.), Language Disability in Children, 129-158 (Lancaster: M.T.P. Press).
18.
Grunwell, P. (1980b). 'Procedures for child speech assessment: a review' . Brit. J. Disord. Commun. 15, 189-203.
19.
Hsieh, Hsin I. (1972). 'Lexical diffusion: evidence from child language acquisition'. Glossa6, 89-104.
20.
Ingram, D. (1976). Phonological Disability in Children ( London: Edward Arnold).
21.
Ingram, D. (1979). 'Phonological patterns in the speech of young children'. In P. Fletcher & M. Garman (eds), Language Acquisition, 133-148 (London : Cambridge University Press).
22.
International Phonetic Association (1979). The International Phonetic Alphabet (London).
23.
Jakobson, R. (1968). Child Language, Aphasia and Phonological Universals (The Hague: Mouton. First published in 1941 as Kindersprache, Aphasie und allgemeine Lautgesetze).
24.
Leonard, L.B., Newhoff, M. & Messalam, L. (1980). 'Individual differences in early child phonology' . J. App. Psycholing.1, 7-30.
25.
Menn, L. (1975). 'Counter-example to "fronting" as a universal of child phonology'. J. Child Lang.2, 293-296.
26.
Menyuk, P. & Menn, L. (1979). 'Early strategies for the perception and production of words and sounds'. In P. Fletcher & M. Garman (eds), Language Acquisition, 49-70 (London: Cambridge University Press).
27.
Oller, D.K., Wieman, L.A., Doyle, W.J. & Ross, C. (1976). 'Infant babbling and speech'. J. Child Lang. 3, 1-11.
28.
Olmsted, D.L. (1971). Out of the Mouth of Babes ( The Hague: Mouton).
29.
Prather, E.M., Hedrick, D.L. & Kern, C.A. (1975). 'Articulation development in children aged two to four years'. J. Speech Hear. Disord.40, 179-191.
30.
P.R.D.S. Group (1980). 'The representation of disordered speech'. Brit. J. Disord. Commun. 15, 217-223.
Schwartz, R.G., Leonard, L.B., Wilcox, M.J. & Folger, M.K. (1980). 'Again and again: reduplication in child phonology' . J. Child Lang. 7, 75-88.
33.
Shibamoto, J.S. & Olmsted, D.L. (1978). 'Lexical and syllabic patterns in phonological acquisition'. J. Child Lang. 5, 417-446.
34.
Smith, N.V. (1973). The Acquisition of Phonology. a Case Study (London: Cambridge University Press).
35.
Smith, N.V. (1974). 'The acquisition of phonological skills in children' . Brit. J. Disord. Commun. 9, 17-23.
36.
Snow, C.E. (1977). 'The development of conversation between mothers and babies'. J. Child Lang. 4, 1-22.
37.
Stampe, D. (1969). 'The acquisition of phonetic representation'. Papers from Vth Regional Meeting, 443-454 (Chicago Ling. Soc.).
38.
Stewart, S.R. & Weybright, G. (1980). 'Articulation norms used by practising speech-language pathologists in Oregon: results of a survey'. J. Speech Hear. Disord.45, 103-111.
39.
Templin, M. (1957). Certain Language Skills in Children ( Minneapolis: University of Minnesota Press).