Innes, M. A. (2004). The art of singing. Marc Alan Innes.
Chicagoスタイル(17版)引用形式Innes, Marc Alan. The Art of Singing. Fairview Park, OH: Marc Alan Innes, 2004.
MLA(9版)引用形式Innes, Marc Alan. The Art of Singing. Marc Alan Innes, 2004.
警告: この引用は必ずしも正確ではありません.