Puerling, G. (1977). The sound of the singers unlimited. Delaware Press.
Chicagoスタイル(17版)引用形式Puerling, Gene. The Sound of the Singers Unlimited. [S.l.]: Delaware Press, 1977.
MLA(9版)引用形式Puerling, Gene. The Sound of the Singers Unlimited. Delaware Press, 1977.
警告: この引用は必ずしも正確ではありません.