Berkhofer, R. F. (2004). Day of reckoning: Power and accountability in medieval France. University of Pennsylvania Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBerkhofer, Robert F. Day of Reckoning: Power and Accountability in Medieval France. Philadelphia, Pa.: University of Pennsylvania Press, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBerkhofer, Robert F. Day of Reckoning: Power and Accountability in Medieval France. University of Pennsylvania Press, 2004.
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