Willoughby, D. (2007). The world of music (6th ed.).
Chicagoスタイル(17版)引用形式Willoughby, David. The World of Music. 6th ed. New York, N.Y. ; McGraw-Hill, 2007.
MLA(9版)引用形式Willoughby, David. The World of Music. 6th ed. 2007.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式