APA-referens (7:e uppl.)

Coward, H. (2007). Choral technique and interpretation. Read Books.

Chicago-referens (17:e uppl.)

Coward, Henry. Choral Technique and Interpretation. Alcester: Read Books, 2007.

MLA-referens (9:e uppl.)

Coward, Henry. Choral Technique and Interpretation. Read Books, 2007.