O'Brien, J. A. (1958). 25 questions non-Catholics ask with friendly answers. Huntington, Ind..
Lua i Stíl Chicago (17ú heag.)O'Brien, John A. 25 Questions Non-Catholics Ask with Friendly Answers. Huntington, Ind., 1958.
Lua MLA (8ú heag.)O'Brien, John A. 25 Questions Non-Catholics Ask with Friendly Answers. Huntington, Ind., 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.