APA (7th ed.) Zitazioa
Nair, G. (2007). The craft of singing. Plural Publishing Inc..
Chicago Style (17th ed.) Zitazioa
Nair, Garyth. The Craft of Singing. San Diego, California ; Oxford, England ; Brisbane, Queensland: Plural Publishing Inc., 2007.
MLA (9th ed.) Zitazioa
Nair, Garyth. The Craft of Singing. Plural Publishing Inc., 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.