Bickimer, D. A. (1989). Leadership in religious education: A prehensive model. Religious Education Press.
Lua i Stíl Chicago (17ú heag.)Bickimer, David Arthur. Leadership in Religious Education: A Prehensive Model. Birmingham, Ala.: Religious Education Press, 1989.
Lua MLA (8ú heag.)Bickimer, David Arthur. Leadership in Religious Education: A Prehensive Model. Religious Education Press, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.