Wyckoff, D. C. (1986). Renewing the Sunday school and the CCD. Religious Education Press.
Čikaški stil citiranja (17. izdanje)Wyckoff, D. Campbell. Renewing the Sunday School and the CCD. Birmingham, Ala.: Religious Education Press, 1986.
MLA način citiranja (8. izdanje)Wyckoff, D. Campbell. Renewing the Sunday School and the CCD. Religious Education Press, 1986.
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