Giles, P. (1994). The history and technique of the counter-tenor: A study of the male high voice family. Scolar Press.
Chicago-referens (17:e uppl.)Giles, Peter. The History and Technique of the Counter-tenor: A Study of the Male High Voice Family. Hants, Eng: Scolar Press, 1994.
MLA-referens (9:e uppl.)Giles, Peter. The History and Technique of the Counter-tenor: A Study of the Male High Voice Family. Scolar Press, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.