Carey, D., & Carey, R. C. (2008). Vocal arts workbook and DVD: A practical course for achieving clarity and expression with your voice. Methuen Drama.
Chicago Style (17th ed.) ZitazioaCarey, David, eta Rebecca Clark Carey. Vocal Arts Workbook and DVD: A Practical Course for Achieving Clarity and Expression with Your Voice. London: Methuen Drama, 2008.
MLA (9th ed.) ZitazioaCarey, David, eta Rebecca Clark Carey. Vocal Arts Workbook and DVD: A Practical Course for Achieving Clarity and Expression with Your Voice. Methuen Drama, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.