Downs, P. G. (1994). Teaching for spiritual growth: An introduction to christian education. Zondervan Publishing House.
Cita Chicago (17th ed.)Downs, Perry G. Teaching for Spiritual Growth: An Introduction to Christian Education. Michigan: Zondervan Publishing House, 1994.
Cita MLA (9th ed.)Downs, Perry G. Teaching for Spiritual Growth: An Introduction to Christian Education. Zondervan Publishing House, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.