Ratcliff, D., & Neff, B. J. (1993). The complete guide to religious education volunteers. Religious Education.
Lua i Stíl Chicago (17ú heag.)Ratcliff, Donald, agus Blake J. Neff. The Complete Guide to Religious Education Volunteers. Alabama: Religious Education, 1993.
Lua MLA (9ú heag.)Ratcliff, Donald, agus Blake J. Neff. The Complete Guide to Religious Education Volunteers. Religious Education, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.