Sleeth, R. E. (1956). Persuasive preaching. Halper and Brothers.
Lua i Stíl Chicago (17ú heag.)Sleeth, Ronald E. Persuasive Preaching. Halper and Brothers, 1956.
Lua MLA (9ú heag.)Sleeth, Ronald E. Persuasive Preaching. Halper and Brothers, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.