APA (7th ed.) Zitazioa

Sundberg, J. (1987). The science of the singing voice. Northern Illinois University Press.

Chicago Style (17th ed.) Zitazioa

Sundberg, Johan. The Science of the Singing Voice. DeKalb, Ill: Northern Illinois University Press, 1987.

MLA (9th ed.) Zitazioa

Sundberg, Johan. The Science of the Singing Voice. Northern Illinois University Press, 1987.