Shewell, C. (2009). Voice work: Art and science in changing voices. Wiley, an imprint of John Wiley & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रShewell, Christina. Voice Work: Art and Science in Changing Voices. Chichester, West Sussex, United Kingdom ; [Hoboken]: Wiley, an imprint of John Wiley & Sons, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रShewell, Christina. Voice Work: Art and Science in Changing Voices. Wiley, an imprint of John Wiley & Sons, 2009.
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