Duey, P. A. (2012). Bel canto in its golden age: A study of its teaching concepts. [Read?].
Chicago-referens (17:e uppl.)Duey, Philip A. Bel Canto in Its Golden Age: A Study of Its Teaching Concepts. [Alcester?]: [Read?], 2012.
MLA-referens (9:e uppl.)Duey, Philip A. Bel Canto in Its Golden Age: A Study of Its Teaching Concepts. [Read?], 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.