References
- NTL Institute for Applied Behavorial Science. Standards for the use of laboratory method. Washington, D.C.: National Training Laboratories, 1969.
- Yalom, I. D., & Lieberman, M. A., A study of encounter group casualties. Archives of General Psychiatry, 1971, 25, 16–30.
- Rogers, C. R. The process of basic encounter group. In J. F. Bugental (Ed.) Challenges of Humanistic Psychology. New York: McGraw-Hill, 1967.
- Whitely, J. M. (Ed.) Encounter groups. The Counseling Psychologist, 1970, 2, No. 2.