American Philosophical Society & Jay I. Kislak Collection (Library of Congress). Transactions of the American Philosophical Society. The Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Philosophical Society और Jay I. Kislak Collection (Library of Congress). Transactions of the American Philosophical Society. Philadelphia: The Society.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAmerican Philosophical Society और Jay I. Kislak Collection (Library of Congress). Transactions of the American Philosophical Society. The Society.
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