Youngberg, J. a. M. (1985). Heart tuning: A guide to better family worship. Review and Herald.
Citazione stile Chigago Style (17a edizione)Youngberg, John and Milie. Heart Tuning: A Guide to Better Family Worship. Review and Herald, 1985.
Citatione MLA (9a ed.)Youngberg, John and Milie. Heart Tuning: A Guide to Better Family Worship. Review and Herald, 1985.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.