Joplin, S., & Sauer, R. (1978). Four rags for four trombones. Wimbledon Music.
芝加哥风格引文Joplin, Scott, 与 Ralph Sauer. Four Rags for Four Trombones. Century City, Calif: Wimbledon Music, 1978.
MLA引文Joplin, Scott, 与 Ralph Sauer. Four Rags for Four Trombones. Wimbledon Music, 1978.
警告：这些引文格式不一定是100％准确.