Não informado. (1963). Memo to the Faculty. University of Michigan, Center for Research on Learning and Teaching.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Memo to the Faculty. Ann Arbor, Mich: University of Michigan, Center for Research on Learning and Teaching, 1963.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Memo to the Faculty. University of Michigan, Center for Research on Learning and Teaching, 1963.
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