DeCarlo, C. (2018). The Crusades (First edition.). Britannica Educational Publishing in association with Rosen Educational Services.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDeCarlo, Carolyn. The Crusades. First edition. New York, NY: Britannica Educational Publishing in association with Rosen Educational Services, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDeCarlo, Carolyn. The Crusades. First edition. Britannica Educational Publishing in association with Rosen Educational Services, 2018.
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