Não informado. (1978). Journal for Specialists in Group Work. Association for Specialists in Group Work.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal for Specialists in Group Work. Thousand Oaks, Calif: Association for Specialists in Group Work, 1978.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal for Specialists in Group Work. Association for Specialists in Group Work, 1978.
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