Clegg, M. The evolution of the human vocal tract: Specialized for speech? / Margaret Clegg. Music, language, and human evolution.(2012).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रClegg, Margaret. "The Evolution of the Human Vocal Tract: Specialized for Speech? / Margaret Clegg." Music, Language, and Human Evolution.(2012) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रClegg, Margaret. "The Evolution of the Human Vocal Tract: Specialized for Speech? / Margaret Clegg." Music, Language, and Human Evolution.(2012), .
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