Wyckoff, D. C. (1986). Renewing the Sunday school and the CCD. Religious Education Press.
Chicago-referens (17:e uppl.)Wyckoff, D. Campbell. Renewing the Sunday School and the CCD. Birmingham, Ala.: Religious Education Press, 1986.
MLA-referens (8:e uppl.)Wyckoff, D. Campbell. Renewing the Sunday School and the CCD. Religious Education Press, 1986.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.