Wadell, P. J. (1998). Morality: A course on Catholic living. William H. Sadlier.
Lua i Stíl Chicago (17ú heag.)Wadell, Paul J. Morality: A Course on Catholic Living. New York, N.Y.: William H. Sadlier, 1998.
Lua MLA (8ú heag.)Wadell, Paul J. Morality: A Course on Catholic Living. William H. Sadlier, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.