Não informado. (1964). Urban education. University of Buffalo Foundation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Urban Education. Buffalo, NY: University of Buffalo Foundation, 1964.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Urban Education. University of Buffalo Foundation, 1964.
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