O'Brien, J. A. (1957). Is one religion as good as another?: A plain answer to a common question. Our Sunday Visitor Press.
Čikaški stil citiranja (17. izdanje)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.
MLA način citiranja (8. izdanje)O'Brien, John A. Is One Religion as Good as Another?: A Plain Answer to a Common Question. Our Sunday Visitor Press, 1957.
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