APA (7th ed.) Zitazioa

Piston, W. (1978). Harmony (4th ed.). W.W. Norton & Co..

Chicago Style (17th ed.) Zitazioa

Piston, Walter. Harmony. 4th ed. New York: W.W. Norton & Co., 1978.

MLA (9th ed.) Zitazioa

Piston, Walter. Harmony. 4th ed. W.W. Norton & Co., 1978.