1. Freud, A. The ego and the mechanisms of defense. (Rev. ed.). New York: International Universities Press, 1966.
2. Freud, A. Normality and pathology in childhood: Assessments of development. New York: International Universities Press, 1965.
3. Friedlander, K. The formation of the anti-social character. In A. Freud, H. Hartmann, E. Kris, (Eds.), The psychoanalytic study of the child (Vol. I). New York: International Universities Press, 1943.
4. HiUery, M. C., Lingren, R. H. & Remstad, R. C. A descriptive study of cognitive and affective trends differentiating selected groups of pre-school children. Wisconsin University, 1969. Report No. OEO 1401. (ERIC Document Reproductive Service No.ED031 314).
5. Lidz, T. The person. New York: Basic Books, 1968.