Ferm, V. (1953). The american church of the protestan heritage. Philosophical Library.
Lua i Stíl Chicago (17ú heag.)Ferm, Vergilius. The American Church of the Protestan Heritage. Philosophical Library, 1953.
Lua MLA (9ú heag.)Ferm, Vergilius. The American Church of the Protestan Heritage. Philosophical Library, 1953.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.