Fichter, J. H. (1947). Textbook in apologetics. Bruce Pub. Co.
Lua i Stíl Chicago (17ú heag.)Fichter, Joseph Henry. Textbook in Apologetics. Milwaukee: Bruce Pub. Co, 1947.
Lua MLA (8ú heag.)Fichter, Joseph Henry. Textbook in Apologetics. Bruce Pub. Co, 1947.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.