Downs, P. G. (1994). Teaching for spiritual growth: An introduction to christian education. Zondervan Publishing House.
Citazione stile Chigago Style (17a edizione)Downs, Perry G. Teaching for Spiritual Growth: An Introduction to Christian Education. Michigan: Zondervan Publishing House, 1994.
Citatione MLA (9a ed.)Downs, Perry G. Teaching for Spiritual Growth: An Introduction to Christian Education. Zondervan Publishing House, 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.