References
- Berne, E., Games people play. New York: Grove Press, 1964.
- English, H. B., & English, A. C., A comprehensive dictionary of psychological and psychoanalytical terms. New York: David McHay, 1958.
- Pfeiffer, J., & Jones, J., A Handbook of structured experiences for human relations training. Vol. 1. Iowa City: University Associated Press, 1969.
- Simon, S.; Howe, L.; & Kirschenbaum, H., Values clarification: A handbook of practical strategies for teachers and students. New York: Hart, 1972.
- Webster’s seventh new collegiate dictionary. Chicago: G. & C. Merriam, 1967.