Não informado. (1949). American Heritage. American Association for State and Local History.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. American Heritage. Cooperstown, NY: American Association for State and Local History, 1949.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. American Heritage. American Association for State and Local History, 1949.
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