Sievers, J. (2006). How irrevocable?: Interpreting Romans 11:29 from the Church Fathers to the Second Vatican Council. Gregorianum, 87, 748-761.
Chicago-Zitierstil (17. Ausg.)Sievers, Joseph. "How Irrevocable?: Interpreting Romans 11:29 from the Church Fathers to the Second Vatican Council." Gregorianum 87 (2006): 748-761.
MLA-Zitierstil (8. Ausg.)Sievers, Joseph. "How Irrevocable?: Interpreting Romans 11:29 from the Church Fathers to the Second Vatican Council." Gregorianum, vol. 87, 2006, pp. 748-761.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.