APA-viite (7. p.)
Dibbert, M. T., & Wichern, F. B. (1985). Growth groups: A key to Christian fellowship and spiritual maturity. Ministry Resources Library.
Chicago-viite (17. p.)
Dibbert, Michael T., ja Frank B. Wichern. Growth Groups: A Key to Christian Fellowship and Spiritual Maturity. Grand Rapids, MI: Ministry Resources Library, 1985.
MLA-viite (9. p.)
Dibbert, Michael T., ja Frank B. Wichern. Growth Groups: A Key to Christian Fellowship and Spiritual Maturity. Ministry Resources Library, 1985.
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