Schmidt, H. (1999). The Papal and Imperial Concept of plenitudo potestatis: The Influence of Pope Innocent III on Emperor Frederick II.
Chicago-Zitierstil (17. Ausg.)Schmidt, Hans-Joachim. The Papal and Imperial Concept of Plenitudo Potestatis: The Influence of Pope Innocent III on Emperor Frederick II. 1999.
MLA-Zitierstil (9. Ausg.)Schmidt, Hans-Joachim. The Papal and Imperial Concept of Plenitudo Potestatis: The Influence of Pope Innocent III on Emperor Frederick II. 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.