1. Blum, R. H., Blum, E., & Garfield, E., Drug Education: Results and Recommendations. Lexington, MA: D. C. Heath & Co., 1976.
2. Braucht, G. N., Kirby, M.W., & Berry, G.J. “Psychosocial correlates of empirical types of multiple drug abusers,” J. Consult. Clin. Psych. 46: 1463–1475, 1978.
3. Brown, G. W., & Harris, T. Some Origins of Depression: A Study of Psychiatric Disorder in Women. New York: Free Press, 1978.
4. Bry, B. H., & George, F. E., “ The preventive effects of early intervention upon the attendance and grades of urban adoloescents,” Prof. Psych., 11: 252–260, 1980.
5. Bry, B. H., & George, F. E., “Evaluating and improving prevention programs: A strategy from drug abuse.” Evaluation and Program Planning, 2: 127–136, 1979.