Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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