APA (7th ed.) Zitazioa

Youmans, V. (2004). I want to be happy. Chappel Music.

Chicago Style (17th ed.) Zitazioa

Youmans, Vincent. I Want to Be Happy. London: Chappel Music, 2004.

MLA (9th ed.) Zitazioa

Youmans, Vincent. I Want to Be Happy. Chappel Music, 2004.