Heather, P. (2023). Christendom: The triumph of a religion, AD 300-1300 (First United States edition.). Alfred A. Knopf.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHeather, Peter. Christendom: The Triumph of a Religion, AD 300-1300. First United States edition. New York: Alfred A. Knopf, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHeather, Peter. Christendom: The Triumph of a Religion, AD 300-1300. First United States edition. Alfred A. Knopf, 2023.
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