World History Association. World history bulletin: Newsletter of the World History Association. World History Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld History Association. World History Bulletin: Newsletter of the World History Association. [Philadelphia, PA]: World History Association.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWorld History Association. World History Bulletin: Newsletter of the World History Association. World History Association.
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