O'Donnell, P. (1939). The truth about Catholics: Memorial edition, July 1st, 1939. Catholic Literature Society.
Lua i Stíl Chicago (17ú heag.)O'Donnell, Peter. The Truth About Catholics: Memorial Edition, July 1st, 1939. Los Angeles, Calif.: Catholic Literature Society, 1939.
Lua MLA (8ú heag.)O'Donnell, Peter. The Truth About Catholics: Memorial Edition, July 1st, 1939. Catholic Literature Society, 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.