MAYER, L. V. (1985). Fundamentals of voice and diction. WEB.
Lua i Stíl Chicago (17ú heag.)MAYER, Lyle V. Fundamentals of Voice and Diction. Iowa: WEB, 1985.
Lua MLA (9ú heag.)MAYER, Lyle V. Fundamentals of Voice and Diction. WEB, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.