1. Durkin, H. (1964).The group in depth. New York: International Universities Press.
2. Foulkes, S. H. (1965).Therapeutic group analysis. New York: International Universities Press.
3. Freud, A. (1965).Normality and pathology in childhood assessments of development. New York: International Universities Press.
4. Mahler, M. S., Pine, F., & Bergman, A. (1975).The psychological birth of the human infant. New York: Basic Books.
5. Schamess, G. (1986). Differential diagnosis and group structure in outpatient treatment of latency age children. In A. E. Riester & I. A. Kraft (eds.),Child group psychotherapy: Future tense New York: International Universities Press.