1. Barbrack, C. R. (1985). Negative outcomes in behavior therapy. In D. T. Mays and G. M. Frank (Eds.),Negative outcomes in psychotherapy and what to do about it. New York: Wiley.
2. Brickman, P., Rabinowitz, V. C., Karuza, J., Coates, D., Cohn, E., & Kidder, L. (1982). Models of helping and coping.American Psychologist, 37, 368?384.
3. Foa, E., & Emmelkamp, P. (1983).Failures in behavior therapy. New York: Wiley.
4. Keith-Spiegel, P., & Koocher, G. P. (1985).Ethics in psychology. Hillsdale, NJ: Erlbaum.
5. Kendall, P. C., Vitousek, K. B., & Kane, M. (1991). Thought and action in psychotherapy: Cognitive-behavioral approaches. In M. Hersen, A. Kazdin, & A. Bellack (Eds.),Clinical psychology handbook. (Second Edition) (pp. 596?626) New York: Pergamon Press.