Dodds, G. (1929). Voice placing and training exercises: Contralto and Baritone. Oxford University Press.
Chicago-referens (17:e uppl.)Dodds, George. Voice Placing and Training Exercises: Contralto and Baritone. Oxford: Oxford University Press, 1929.
MLA-referens (9:e uppl.)Dodds, George. Voice Placing and Training Exercises: Contralto and Baritone. Oxford University Press, 1929.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.