Ullmann, W. (1976). The legal validity of the papal electoral pacts. The papacy and political ideas in the middle ages, 3-35.
Chicago-Zitierstil (17. Ausg.)Ullmann, Walter. "The Legal Validity of the Papal Electoral Pacts." The Papacy and Political Ideas in the Middle Ages 1976: 3-35.
MLA-Zitierstil (8. Ausg.)Ullmann, Walter. "The Legal Validity of the Papal Electoral Pacts." The Papacy and Political Ideas in the Middle Ages, 1976, pp. 3-35.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.