Adamson LB (1996) Communication Development during Infancy. Oxford: Westview Press
2.
Brown R. (1973) A First Language: The Early Stages. Cambridge, MA: Harvard University Press.
3.
Chomsky N. (1965) Aspects of the Theory of Syntax. Cambridge, MA:MIT Press.
4.
Forrester MA (1992) The Development of Young Children's Social-Cognitive Skills. HoveLawrence Erlbaum Associates Limited.
5.
Garton AF (1992) Social Interaction and the Development of Language and CognitionHove, Lawrence Erlbaum Associates.
6.
Markides A. (1970) The speech of deaf and partially hearing children with special reference to factors affecting intelligibility. British Journal of Disorders of Communication;5(2): 18-20.
7.
McKellar P. (1957) Imagination and Thinking - A Psychological Analysis . London : Cohen and West.
8.
Nelson K. (1973) Structure and strategy in learning to talk. Monographs of the Society for Research in Child Development; 38: 1-2.
9.
Piaget J. (1926) The Language and Thought of the Child. London: Routledge and Kegan Paul.
10.
Sapire E. (1949) Language, Culture and Personality : Selected Essays. University of California Press .
11.
Schaffer HR (1984) The Child's Entry into the Social World. London: Academic Press.
12.
Skinner BF (1957) Verbal Behaviour. New York: Prentice Hall.
13.
Snow CE ( 1977) The development of conversation between mothers and babies . Journal of Child Language; 4:1-22.
14.
Snow CE ( 1986). Conversations with children. In Fletcher P. and Garman M. ( 1986) (eds) Language Acquisition: Studies in First Language Development. (2 Ed) pp60-89, Cambridge: Cambridge University Press.
15.
Vygotsky LS (1962) Thought and Language. Cambridge, MA: MIT Press. JCHC