Não informado. (1838). Proceedings of the American Philosophical Society. American Philosophical Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Proceedings of the American Philosophical Society. Philadelphia, Pa: American Philosophical Society, 1838.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Proceedings of the American Philosophical Society. American Philosophical Society, 1838.
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