Anderson, V. A. (1956). Training the Speaking Voice (decimonovena reimpresión.). Oxford University Press. Inc.
Lua i Stíl Chicago (17ú heag.)Anderson, Virgil A. Training the Speaking Voice. decimonovena reimpresión. New york: Oxford University Press. Inc, 1956.
Lua MLA (9ú heag.)Anderson, Virgil A. Training the Speaking Voice. decimonovena reimpresión. Oxford University Press. Inc, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.