1. American Psychological Association. (1992). Ethical principles of psychologists and code of conduct.American Psychologist
471597–1611
2. Benne, K. D. (1959). Some ethical problems in group and organizational consultation.Journal of School Issues
1560–67
3. Benne, K. D. (1961). Democratic ethics and human engineering. In K. D. Benne, W. Bennis&R. Chin (Eds.)The planning of changeNew York: Holt, Rinehart and Winston
4. Bennett, C. C., Anderson, L. S., Cooper, S., Hassol, L., Klein, D., & Rosenblum, G. (1966).Community psychology(Boston Conference). Boston, MA: Boston University
5. Bennis, W. G., Benne, K. D., & Chin, R. (1969). Some value dilemmas of the change agent. In W. G. Bennis, K. D. Benne, & R. Chin (Eds.)The planning of change(2nd ed.). New York: Holt, Rinehart and Winston