Não informado. (1970). Equal opportunity review. Columbia University, Teachers College.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Equal Opportunity Review. New York: Columbia University, Teachers College, 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Equal Opportunity Review. Columbia University, Teachers College, 1970.
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