George, B. (1989). Classic Christianity. Harvest house.
Lua i Stíl Chicago (17ú heag.)George, Bob. Classic Christianity. Oregon: Harvest house, 1989.
Lua MLA (9ú heag.)George, Bob. Classic Christianity. Harvest house, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.