Ullmann, W. (1955). The growth of papal government in the Middle Ages: A study in the ideological relation of clerical to lay power. London: Methuen.
استشهاد بنمط شيكاغوUllmann, Walter. The Growth of Papal Government in the Middle Ages: A Study in the Ideological Relation of Clerical to Lay Power. London: Methuen, 1955.
MLA استشهادUllmann, Walter. The Growth of Papal Government in the Middle Ages: A Study in the Ideological Relation of Clerical to Lay Power. London: Methuen, 1955.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.