Wyckoff, D. C. (1986). Renewing the Sunday school and the CCD. Religious Education Press.
Dyfyniad Arddull ChicagoWyckoff, D. Campbell. Renewing the Sunday School and the CCD. Birmingham, Ala.: Religious Education Press, 1986.
Dyfyniad MLAWyckoff, D. Campbell. Renewing the Sunday School and the CCD. Religious Education Press, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.