Keating, B. J., & Ahl, E. J. (1964). A survey of interdenominational vacation church schools in 1963. National Council of Churches.
Lua i Stíl Chicago (17ú heag.)Keating, Barry J., agus Evelyn J. Ahl. A Survey of Interdenominational Vacation Church Schools in 1963. New York: National Council of Churches, 1964.
Lua MLA (8ú heag.)Keating, Barry J., agus Evelyn J. Ahl. A Survey of Interdenominational Vacation Church Schools in 1963. National Council of Churches, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.