APA (7th ed.) Zitazioa
Yalom, I. D., & Leszcz, M. (2005). The theory and practice of group psychotherapy (5th ed.). Basic Books.
Chicago Style (17th ed.) Zitazioa
Yalom, Irvin D., eta Molyn Leszcz. The Theory and Practice of Group Psychotherapy. 5th ed. New York: Basic Books, 2005.
MLA (9th ed.) Zitazioa
Yalom, Irvin D., eta Molyn Leszcz. The Theory and Practice of Group Psychotherapy. 5th ed. Basic Books, 2005.
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