Boettner, L. (1968). Roman catholicism (6ª ed.). The Presbyterian and Reformed.
Lua i Stíl Chicago (17ú heag.)Boettner, Loraine. Roman Catholicism. 6ª ed. The Presbyterian and Reformed, 1968.
Lua MLA (9ú heag.)Boettner, Loraine. Roman Catholicism. 6ª ed. The Presbyterian and Reformed, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.