DAVIS, R. (1957). A history of medieval Europe: From Constantine to Saint Louis. Longmans.
Chicago Style (17. basım) AtıfDAVIS, R.H.C. A History of Medieval Europe: From Constantine to Saint Louis. London: Longmans, 1957.
MLA (9th ed.) AtıfDAVIS, R.H.C. A History of Medieval Europe: From Constantine to Saint Louis. Longmans, 1957.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..