Davis, R. H. C. (1964). A history of medieval Europe: From Constantine to Saint Louis (8th impression by photo lithography.). Longmans.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDavis, R. H. C. A History of Medieval Europe: From Constantine to Saint Louis. 8th impression by photo lithography. Longmans, 1964.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDavis, R. H. C. A History of Medieval Europe: From Constantine to Saint Louis. 8th impression by photo lithography. Longmans, 1964.
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