Downs, P. G. (1994). Teaching for spiritual growth: An introduction to christian education. Zondervan Publishing House.
Chicago-viite (17. p.)Downs, Perry G. Teaching for Spiritual Growth: An Introduction to Christian Education. Michigan: Zondervan Publishing House, 1994.
MLA-viite (9. p.)Downs, Perry G. Teaching for Spiritual Growth: An Introduction to Christian Education. Zondervan Publishing House, 1994.
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