Não informado. (2008). Bulletin of the United States National Museum. Government Printing Office.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the United States National Museum. Washington: Government Printing Office, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the United States National Museum. Government Printing Office, 2008.
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