Clegg, M. The evolution of the human vocal tract: Specialized for speech? / Margaret Clegg. Music, language, and human evolution.(2012).
Chicago-Zitierstil (17. Ausg.)Clegg, Margaret. "The Evolution of the Human Vocal Tract: Specialized for Speech? / Margaret Clegg." Music, Language, and Human Evolution.(2012) .
MLA-Zitierstil (8. Ausg.)Clegg, Margaret. "The Evolution of the Human Vocal Tract: Specialized for Speech? / Margaret Clegg." Music, Language, and Human Evolution.(2012), .
警告：这些引文格式不一定是100％准确.