Barnhart, J. E. (1972). The Billy Graham religion. United Church Press.
Lua i Stíl Chicago (17ú heag.)Barnhart, Joe E. The Billy Graham Religion. Philadelphia: United Church Press, 1972.
Lua MLA (8ú heag.)Barnhart, Joe E. The Billy Graham Religion. United Church Press, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.