White, E. G. (1963). Colporteur Ministry. Pacific Press Publishing Association.
Lua i Stíl Chicago (17ú heag.)White, Ellen G. Colporteur Ministry. Mountain View, California: Pacific Press Publishing Association, 1963.
Lua MLA (9ú heag.)White, Ellen G. Colporteur Ministry. Pacific Press Publishing Association, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.