Obert, K. B., & Chicurel, S. R. (2005). Geography of the voice.
Chicagoスタイル(17版)引用形式Obert, Kerrie B., , Steven R. Chicurel. Geography of the Voice. Think Voice International, 2005.
MLA(9版)引用形式Obert, Kerrie B., , Steven R. Chicurel. Geography of the Voice. 2005.
警告: この引用は必ずしも正確ではありません.