4Harris, J. R. The Nurture Assumption: Why Children Turn Out the Way They Do. New York: Free Press, 1998.
5Harris, J. R. "Socialization, Personality Development, and the Childs Environments: Comment on Vandell." Developmenal Psychology. vol. 36,2000, pp. 711-823.
6Lewis, M. and Rosenblum, M. A. Friendship and Peer Relation. New York: Wiley 1975.
7Steinberg, L. and Silverberg, S. B. "The Vicissitudes of Autonomy in Early Adolescence." Child Development. vol. 57,1986, pp. 84-851.
