APA (7th ed.) Zitazioa

McCallion, M. (1998). The voice book: For everyone who wants to make the most of their voice ([New ed.].). Faber.

Chicago Style (17th ed.) Zitazioa

McCallion, Michael. The Voice Book: For Everyone Who Wants to Make the Most of Their Voice. [New ed.]. London: Faber, 1998.

MLA (9th ed.) Zitazioa

McCallion, Michael. The Voice Book: For Everyone Who Wants to Make the Most of Their Voice. [New ed.]. Faber, 1998.