Wall, J., Allen, S., Caldwell, R., & Gavilanes, T. (2012). Diction for singers: A concise reference for English, Italian, Latin, German, French, and Spanish pronunciation (Second edition.). Diction for Singers.com.
Lua i Stíl Chicago (17ú heag.)Wall, Joan, Sheila Allen, Robert Caldwell, agus Tracy Gavilanes. Diction for Singers: A Concise Reference for English, Italian, Latin, German, French, and Spanish Pronunciation. Second edition. Redmond, WA: Diction for Singers.com, 2012.
Lua MLA (9ú heag.)Wall, Joan, et al. Diction for Singers: A Concise Reference for English, Italian, Latin, German, French, and Spanish Pronunciation. Second edition. Diction for Singers.com, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.