198- Lourenceco, O., & Machado, A.; In defense of Piaget's theory: A replay -to 10 common criticisms. Psychological Review, 1996, 103, 143-164.
199- Maccoby, E.E.; Social development. San Digo: Harcourt Brace Jovanovich, 1980.
200- Magai, C. & Mc Fadden, S.H.; The role of emotions in social and Personality development. New York: plenam Press.
201- Martin, B.; Parent-child relations, "in". F.D. Horowitz "Ed."
Review of child Development Research, vol.4., Chicago, university of Chicago Press, 1975.
202- Mandler, J.M. A new perspective on Cognitive development in infacy. American Scientist, 1990, 78, 236-243.
203- Mc Carthy, D.; Language development in children "in" L. Carmichael "Ed."; Manual of child Psycology, New York: John wiley & son, 1954, 492-630.
204- Mc Graw, M.B.; Development of neuromuscular mechanisms as exemplified in the achievement of erect locomotion. J. of Pediatrics, 1940. 17, 747-771.
205- Meyer, W.J. & Dusekk, J.B.; Child Psychology: A developmental perspective. Massachusetts: D.C. Heath and Co. 1979.
206- Mischel, W.& Mischel, H.N.; sex-typing and socialization "in"
P.H. Mussen "Ed." Carmichael's manual of child Psychology, New York: Wiley, 1970.
207- Moore, N. V., Evertson, CM. & Brophy, J.E.; Solarity Play: Some functional considerations. Developmental Psychology, 1974, 10, 830-834.
208- Nelson, K.E. & Reger.Z.; Children's Language, vol. 8, Hillsdale, N.J.; Erbaum, 1995.
209- Obermeyer, J.; The relationship between moral development and role-laking during the years 10-20. MA. Diss. The American university of Beirut, Lebanon, 1973.
210- Olson, D.R.; Cognitive development: The child acquisition of diagonality. New York: Academic Press, 1970.