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