Não informado. (1951). Archeological research series. U.S. Department of the Interior.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Archeological Research Series. Washington: U.S. Department of the Interior, 1951.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Archeological Research Series. U.S. Department of the Interior, 1951.
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