1. Ackerman, N. W. Psychodynamics of family life: Diagnosis and treatment of family relationships. New York: Basic Books, 1958.
2. Bell J. E. Family group therapy: A method for the psychological treatment of older children, adolescents, and their parents. Public Health Monograph No. 64. Washington, D.C.: United States Government Printing Office, 1961.
3. Bell, J. E. Family group therapy: A new treatment method for children. American Psychologist, 1953, 515T, Family Process, 1967, 6, 254–263.
4. Bell, J. E. Recent advances in family group therapy. Journal of Child Psychology and Psychiatry,1962, 3, 1–15.
5. Bell, J. E. A theoretical position for family group therapy. Family Process, 1963, 2, 1–14.