Wold, W. L. (2003). Preaching to the choir: The care and nurture of the church choir. Augsburg Fortress.
Citazione stile Chigago Style (17a edizione)Wold, Wayne L. Preaching to the Choir: The Care and Nurture of the Church Choir. Minneapolis: Augsburg Fortress, 2003.
Citatione MLA (8a ed.)Wold, Wayne L. Preaching to the Choir: The Care and Nurture of the Church Choir. Augsburg Fortress, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.