Perls, F. (1951). Gestalt therapy: Excitement and growth (ed.). Delta.
Tohutoru Kātū Chicago (17th ed.)Perls, Frederick. Gestalt Therapy: Excitement and Growth. ed. New York: Delta, 1951.
Tohutoro MLA (9th ed.)Perls, Frederick. Gestalt Therapy: Excitement and Growth. ed. Delta, 1951.
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