Kaplan, H., & Sadock, B. (1993). Comprehensive group psychotherapy, 3rd ed. In Comprehensive group psychotherapy, 3rd ed. (p. 775, xix, ). Baltimore, MD, US: Williams & Wilkins Co.
Kaplan, H., & Sadock, B. (1993). Group psychotherapy derived from schools of psychology and philosophy. In Comprehensive group psychotherapy, 3rd ed. (pp. 185-255, ). Baltimore, MD, US: Williams & Wilkins Co.
