O'Brien, J. A. (1955). Which is Christ's true Church?: Evidence so clear that he who runs may read (26th ed.). Our Sunday Visitor.
Lua i Stíl Chicago (17ú heag.)O'Brien, John A. Which Is Christ's True Church?: Evidence so Clear That He Who Runs May Read. 26th ed. Huntington, Ind.: Our Sunday Visitor, 1955.
Lua MLA (8ú heag.)O'Brien, John A. Which Is Christ's True Church?: Evidence so Clear That He Who Runs May Read. 26th ed. Our Sunday Visitor, 1955.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.