Jaffray, G. R. (1972). Explosive evangelism. Tyndale Bible Society.
Lua i Stíl Chicago (17ú heag.)Jaffray, George R. Explosive Evangelism. Florida: Tyndale Bible Society, 1972.
Lua MLA (9ú heag.)Jaffray, George R. Explosive Evangelism. Tyndale Bible Society, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.