http://www.issia.cnr.it/ http://www.ba.iac.cnr.it/wp/ https://ntnucamp.sce.ntnu.edu.tw/ http://leda.elfak.ni.ac.rs/

Gaya APA

Wold, W, L. (2003). Preaching to the Choir: The Care and Nurture of the Church Choir . : Augsburg Fortress.

Gaya MLA

Wold, Wayne, L.. "Preaching to the Choir: The Care and Nurture of the Church Choir". : Augsburg Fortress, 2003. Academic.