Não informado. (1968). Journal of Counseling Psychology. American Psychological Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Counseling Psychology. Columbus, Ohio: American Psychological Association, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Counseling Psychology. American Psychological Association, 1968.
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