Παραπομπή APA

Whitaker, D. S., & Lieberman, M. A. (2008). Psychotherapeutic change through the group process (1st pbk. printing.). New Brunswick, N.J.: AldineTransaction.

Παραπομπή Chicago Style

Whitaker, Dorothy Stock, και Morton A. Lieberman. Psychotherapeutic Change Through the Group Process. 1st pbk. printing. New Brunswick, N.J.: AldineTransaction, 2008.

Παραπομπή MLA

Whitaker, Dorothy Stock, και Morton A. Lieberman. Psychotherapeutic Change Through the Group Process. 1st pbk. printing. New Brunswick, N.J.: AldineTransaction, 2008.

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