Não informado. (1956). Behavioral science. University of Michigan, Mental Health Research Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Behavioral Science. Baltimore, Md: University of Michigan, Mental Health Research Institute, 1956.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Behavioral Science. University of Michigan, Mental Health Research Institute, 1956.
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