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.
Citação do estilo Chicago (17ª ed.)Wall, Joan, Sheila Allen, Robert Caldwell, e 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.
Citação MLA (9ª ed.)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.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.