Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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