1. Bateson, G. (1985).Steps to an ecology of mind. New York: Ballentine Books.
2. Napier, A. Y., & Whitaker, C. (1978).the family crucible. New York: Harper & Row.
3. Neill, J. R., & Kniskern, D. P. (1982).From psyche to system. New York: Guilford Press.
4. Sugarman, S. (1986).The interface of individual and family therapy. J. Hansen (Ed.). Rockville, MD: Aspen Publishers.
5. Searles, H. (1960).The non-human environment in normal development and in schizophrenia. New York: International Universities Press.