Não informado. (1961). Review of existential psychology and psychiatry. Association of Existentical Psychology and Psychiatry.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Review of Existential Psychology and Psychiatry. New York: Association of Existentical Psychology and Psychiatry, 1961.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Review of Existential Psychology and Psychiatry. Association of Existentical Psychology and Psychiatry, 1961.
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