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

Ledger, P. (1973). Anthems for Choirs 2 : Twenty-four Anthems for Sopranos & Altos (Unison and Two-part) . : Oxford University Press.

Gaya MLA

Ledger, Philip. "Anthems for Choirs 2 : Twenty-four Anthems for Sopranos & Altos (Unison and Two-part)". : Oxford University Press, 1973. Musical Score.