Não informado. (1965). British Journal of Mathematical and Statistical Psychology. British Psychological Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. British Journal of Mathematical and Statistical Psychology. London: British Psychological Society, 1965.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. British Journal of Mathematical and Statistical Psychology. British Psychological Society, 1965.
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