Não informado. (2000). University of Michigan studies. University of Michigan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. University of Michigan Studies. Ann Arbor, Mich: University of Michigan, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. University of Michigan Studies. University of Michigan, 2000.
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