Wyckoff, D. C. (1986). Renewing the Sunday school and the CCD. Religious Education Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWyckoff, D. Campbell. Renewing the Sunday School and the CCD. Birmingham, Ala.: Religious Education Press, 1986.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWyckoff, D. Campbell. Renewing the Sunday School and the CCD. Religious Education Press, 1986.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.