Joplin, S., & Sauer, R. (1978). Four rags for four trombones. Wimbledon Music.
Chicagoスタイル(17版)引用形式Joplin, Scott, , Ralph Sauer. Four Rags for Four Trombones. Century City, Calif: Wimbledon Music, 1978.
MLA(9版)引用形式Joplin, Scott, , Ralph Sauer. Four Rags for Four Trombones. Wimbledon Music, 1978.
警告: この引用は必ずしも正確ではありません.