Cummins, J.
(1984) Bilingualism and Special Education: Issues in Assessment and Pedagogy. Clevedon, Avon: Multilingual Matters.
2.
Gass, S.
and Selinker, L. (eds) (1983) Language Transfer in Language Learning. Rowley, Mass.: Newbury House.
3.
Gumperz, J. J.
(1982) Discourse Strategies. Cambridge: Cambridge University Press.
4.
Klein, W.
and Dittmar, N. (1979) Developing Grammars: The Acquisition of German Syntax by Foreign Workers. Berlin: Springer-Verlag.
5.
Linde, C.
and Labov, W. (1975) Spatial networks as a site for the study of language and thought. Language, 51, 924-939.
6.
Olson, D. R.
, Torrance, N. and Hildyard, A. (eds) (1985) Literacy, Language, and Learning. Cambridge: Cambridge University Press.
7.
Rutherford, W. E.
(1982) Markedness in second language acquisition. Language Learning, 32, 85-108.
8.
Slobin, D. I.
(1973) Cognitive prerequisites for the development of grammar. In C. Ferguson and D. Slobin (eds), Studies of Child Language Development. New York: Holt, Rinehart and Winston.
9.
Slobin, D. I.
(1982) Universal and particular in the acquisition of language. In E. Warner and L. Gleitman (eds), Language Acquisition: The State of the Art. Cambridge: Cambridge University Press.
10.
Stewart, W. A.
(1968) A sociolinguistic typology for describing national multilingualism. In J. A. Fishman (ed.), Readings in the Sociology of Language. The Hague: Mouton.