Cross, I. Music as an emergent exaptation: Ian Cross. Music, language, and human evolution.(2012).
Chicagoスタイル(17版)引用形式Cross, Ian. "Music as an Emergent Exaptation: Ian Cross." Music, Language, and Human Evolution.(2012) .
MLA(8版)引用形式Cross, Ian. "Music as an Emergent Exaptation: Ian Cross." Music, Language, and Human Evolution.(2012), .
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