1Santrock, J W. (2001) . Adolescence (8th Ed) . McGraw-Hill. New York.
2Marcia, J. (1980). Ego identity development. In J Adelson (Ed.),Handbook of adolescent psychology, New York: Wiley.
3Marcia, J. (1966). Developmental and validation of ego identity status. Journal of personality and social psychology, 3, 551 -558.
4Waterman, A S. (1992). Identity as an aspect of optimal psychological functioning. In G R Adams, T P Gullotta, & R Montemayor (Eds.), Adolescent identity formation. Newbury Park, CA: Sage.
