Dyfyniad APA

Yalom, I. D. (1985). The theory and practice of group psychotherapy (3rd ed.). Basic.

Dyfyniad Arddull Chicago

Yalom, Irvin D. The Theory and Practice of Group Psychotherapy. 3rd ed. New York: Basic, 1985.

Dyfyniad MLA

Yalom, Irvin D. The Theory and Practice of Group Psychotherapy. 3rd ed. Basic, 1985.

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