Erwin, J. (2007). New Directions for Strings: A comprehensive string method / Joanne Erwin. FJH Music Co..
Chicagoスタイル(17版)引用形式Erwin, Joanne. New Directions for Strings: A Comprehensive String Method / Joanne Erwin. Fort Lauderdale, Fla.: FJH Music Co., 2007.
MLA(8版)引用形式Erwin, Joanne. New Directions for Strings: A Comprehensive String Method / Joanne Erwin. FJH Music Co., 2007.
警告: この引用は必ずしも正確ではありません.