Cita APA (7th ed.)

Potter, J. t. (2000). The Cambridge companion to singing. Cambridge University Press.

Cita Chicago (17th ed.)

Potter, John tenor. The Cambridge Companion to Singing. Cambridge, UK, New York: Cambridge University Press, 2000.

Cita MLA (9th ed.)

Potter, John tenor. The Cambridge Companion to Singing. Cambridge University Press, 2000.