Παραπομπή σε μορφή APA (7η εκδ.)

O'Brien, J. A. (1957). Is one religion as good as another?: A plain answer to a common question. Our Sunday Visitor Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

O'Brien, John A. Is One Religion as Good as Another?: A Plain Answer to a Common Question. Huntington, Indiana: Our Sunday Visitor Press, 1957.

Παραπομπή σε μορφή MLA (8th εκδ.)

O'Brien, John A. Is One Religion as Good as Another?: A Plain Answer to a Common Question. Our Sunday Visitor Press, 1957.