APA (7th ed.) Zitazioa

Jacobs, R. L. (1958). Understanding harmony. Oxford University Press.

Chicago Style (17th ed.) Zitazioa

Jacobs, Robert L. Understanding Harmony. Londres: Oxford University Press, 1958.

MLA (9th ed.) Zitazioa

Jacobs, Robert L. Understanding Harmony. Oxford University Press, 1958.