O'Brien, J. A. (1920). The spread of the Church a proof of her divinity: A study in the philosophy of history. Paulist Press.
Chicago-Zitierstil (17. Ausg.)O'Brien, John A. The Spread of the Church a Proof of Her Divinity: A Study in the Philosophy of History. New York, N.Y.: Paulist Press, 1920.
MLA-Zitierstil (8. Ausg.)O'Brien, John A. The Spread of the Church a Proof of Her Divinity: A Study in the Philosophy of History. Paulist Press, 1920.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.