Não informado. (1981). British Journal of Clinical Psychology. British Psychological Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. British Journal of Clinical Psychology. Leicester, Inglaterra: British Psychological Society, 1981.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. British Journal of Clinical Psychology. British Psychological Society, 1981.
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