Roberts, R. (1972). Musical instruments made to be played (5th ed.). Dryad Press.
Chicagoスタイル(17版)引用形式Roberts, Ronald. Musical Instruments Made to Be Played. 5th ed. Leicester: Dryad Press, 1972.
MLA(8版)引用形式Roberts, Ronald. Musical Instruments Made to Be Played. 5th ed. Dryad Press, 1972.
警告: この引用は必ずしも正確ではありません.