Dodds, G. (1928). Voice placing and training exercises: Soprano and Tenor. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Dodds, George. Voice Placing and Training Exercises: Soprano and Tenor. Oxford: Oxford University Press, 1928.
Lua MLA (9ú heag.)Dodds, George. Voice Placing and Training Exercises: Soprano and Tenor. Oxford University Press, 1928.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.