Logan, F. D. (1968). Excommunication and the secular arm in medieval England: A study in legal procedure from the thirteenth to the sixteenth century. Pontifical Institute of Mediaeval Studies.
Chicago Style (17. basım) AtıfLogan, F. Donald. Excommunication and the Secular Arm in Medieval England: A Study in Legal Procedure from the Thirteenth to the Sixteenth Century. Toronto: Pontifical Institute of Mediaeval Studies, 1968.
MLA (8th ed.) AtıfLogan, F. Donald. Excommunication and the Secular Arm in Medieval England: A Study in Legal Procedure from the Thirteenth to the Sixteenth Century. Pontifical Institute of Mediaeval Studies, 1968.
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