Powell, J. M. (2003). Innocent III and Alexius III: A crusade plan that failed. The experience of crusading ; Vol. 1: Western approaches, 96-102.
Chicago-Zitierstil (17. Ausg.)Powell, James M. "Innocent III and Alexius III: A Crusade Plan That Failed." The Experience of Crusading ; Vol. 1: Western Approaches 2003: 96-102.
MLA-Zitierstil (8. Ausg.)Powell, James M. "Innocent III and Alexius III: A Crusade Plan That Failed." The Experience of Crusading ; Vol. 1: Western Approaches, 2003, pp. 96-102.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.