O'Brien, J. A. (1957). Is one religion as good as another?: A plain answer to a common question. Our Sunday Visitor Press.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (8ú heag.)O'Brien, John A. Is One Religion as Good as Another?: A Plain Answer to a Common Question. Our Sunday Visitor Press, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.