McCallion, M. (1998). The voice book: For everyone who wants to make the most of their voice ([New ed.].). Faber.
Cita Chicago (17th ed.)McCallion, Michael. The Voice Book: For Everyone Who Wants to Make the Most of Their Voice. [New ed.]. London: Faber, 1998.
Cita MLA (9th ed.)McCallion, Michael. The Voice Book: For Everyone Who Wants to Make the Most of Their Voice. [New ed.]. Faber, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.