Não informado. (1948). Collected papers from the Museum of Natural History. Museum of Natural History.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Collected Papers from the Museum of Natural History. Aarhus, Dinamarca: Museum of Natural History, 1948.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Collected Papers from the Museum of Natural History. Museum of Natural History, 1948.
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