Carey, D., & Carey, R. C. (2008). Vocal arts workbook and DVD: A practical course for achieving clarity and expression with your voice. Methuen Drama.
Čikaški stil citiranja (17. izdanje)Carey, David, i Rebecca Clark Carey. Vocal Arts Workbook and DVD: A Practical Course for Achieving Clarity and Expression with Your Voice. London: Methuen Drama, 2008.
MLA način citiranja (9. izdanje)Carey, David, i Rebecca Clark Carey. Vocal Arts Workbook and DVD: A Practical Course for Achieving Clarity and Expression with Your Voice. Methuen Drama, 2008.
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