References
- Agazarian, Y., & Peters, R. (1981). The visible and invisible group. New York: Routledge and Kegan Paul.
- Durkin, H. E. (1964). The group in depth. New York: International Universities Press.
- Lieberman, M. A. (1990). A group therapist perspective on self-help groups. International Journal of Group Psychotherapy, 40, 251–278.
- Lieberman, M. A., Yalom, I. D., & Miles, M. B. (1973). Encounter groups: First facts. New York: Basic Books.
- MacKenzie, K. R. (1990). Introduction to time-limited group psychotherapy. Washington DC: American Psychiatric Press.
- Whitaker, D. S. (1985). Using groups to help people. London: Routledge and Kegan Paul.
- Yalom, I. D. (1970). The theory and practice of group psychotherapy. New York: Basic Books.