1. Ackerman, N. W. (1967). Prejudice and scapegoating in the family. In G. Zuk & I. Boszormenyi-Nagy (Eds.), Family therapy and disturbed family (pp. 48–57). Palo Alto: Science and Behavior Books.
2. Bank, S. P., & Kahn, M. D. (1982). The sibling bond. New York, NY: Basic Books.
3. Bateson, G. (1971). Steps to an ecology of mind. New York, NY: Ballantine.
4. Bowen, M. (1976). Theory in the practice of psychotherapy. In P. Guerin (Ed.), Family therapy (pp. 42–90). New York, NY: Gardner Press.
5. Elkaïm, M. (1981). Non-equilibrium, chance and change in family therapy. Journal of Marital and Family Therapy, 7(3), 291–297.