Joplin, S., & Sauer, R. (1978). Four rags for four trombones. Wimbledon Music.
Čikaški stil citiranja (17. izdanje)Joplin, Scott, i Ralph Sauer. Four Rags for Four Trombones. Century City, Calif: Wimbledon Music, 1978.
MLA način citiranja (9. izdanje)Joplin, Scott, i Ralph Sauer. Four Rags for Four Trombones. Wimbledon Music, 1978.
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