Yalom, I. D., & Leszcz, M. (2020). The theory and practice of group psychotherapy (Sixth edition.). Basic Books.
Lua i Stíl Chicago (17ú heag.)Yalom, Irvin D., agus Molyn Leszcz. The Theory and Practice of Group Psychotherapy. Sixth edition. New York: Basic Books, 2020.
Lua MLA (9ú heag.)Yalom, Irvin D., agus Molyn Leszcz. The Theory and Practice of Group Psychotherapy. Sixth edition. Basic Books, 2020.
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