Clark, M. R. (2007). Guide to the aria repertoire. Indiana University Press.
Lua i Stíl Chicago (17ú heag.)Clark, Mark Ross. Guide to the Aria Repertoire. Bloomington: Indiana University Press, 2007.
Lua MLA (9ú heag.)Clark, Mark Ross. Guide to the Aria Repertoire. Indiana University Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.