Não informado. (1970). Group psychotherapy and psychodrama. American Society of Group Psychotherapy and Psychodrama.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Group Psychotherapy and Psychodrama. Beacon, NY: American Society of Group Psychotherapy and Psychodrama, 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Group Psychotherapy and Psychodrama. American Society of Group Psychotherapy and Psychodrama, 1970.
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