Lua APA (7ú heag.)
Grout, D. J., & Williams, H. W. (2003). A short history of opera (4th ed.). Columbia University Press.
Lua i Stíl Chicago (17ú heag.)
Grout, Donald Jay, agus Hermine Weigel Williams. A Short History of Opera. 4th ed. New York: Columbia University Press, 2003.
Lua MLA (9ú heag.)
Grout, Donald Jay, agus Hermine Weigel Williams. A Short History of Opera. 4th ed. Columbia University Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.