Roehlkepartain, E. C. (1989). Youth ministry in city churches. Group Books.
Lua i Stíl Chicago (17ú heag.)Roehlkepartain, Eugene C. Youth Ministry in City Churches. Loveland: Group Books, 1989.
Lua MLA (9ú heag.)Roehlkepartain, Eugene C. Youth Ministry in City Churches. Group Books, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.