Não informado. (1901). Bulletin of the American Geographical Society. American Geographical Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the American Geographical Society. New York: American Geographical Society, 1901.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the American Geographical Society. American Geographical Society, 1901.
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