1. American Psychological Association Ethical Principles in the Conduct of Research with Human Participants. APA Washington D.C. 1973. American Psychological Association Ethical Principles in the Conduct of Research with Human Participants. APA Washington D.C. 1973.
2. Five-year report of the Policy and Planning Board: 1980.
3. American Psychological Association Publication Manual of the American Psychological Association 1983 APA Washington D.C. American Psychological Association Publication Manual of the American Psychological Association 1983 APA Washington D.C.
4. American Sociological Association Code of Ethics 1982. American Sociological Association Code of Ethics 1982.