Harner, N. C. (1972). Factors related to Sunday school growth and decline in the Eastern Synod of the Reformed Church in the United States (Repr. of the ed. New York, Bureau of Publications, Teachers College, Columbia University, 1931.). AMS Press.
Chicago-Zitierstil (17. Ausg.)Harner, Nevin C. Factors Related to Sunday School Growth and Decline in the Eastern Synod of the Reformed Church in the United States. Repr. of the ed. New York, Bureau of Publications, Teachers College, Columbia University, 1931. New York: AMS Press, 1972.
MLA-Zitierstil (9. Ausg.)Harner, Nevin C. Factors Related to Sunday School Growth and Decline in the Eastern Synod of the Reformed Church in the United States. Repr. of the ed. New York, Bureau of Publications, Teachers College, Columbia University, 1931. AMS Press, 1972.