APA (7e ed.) Bronvermelding

Joplin, S., & Sauer, R. (1978). Four rags for four trombones. Wimbledon Music.

Chicago (17e ed.) Bronvermelding

Joplin, Scott, en Ralph Sauer. Four Rags for Four Trombones. Century City, Calif: Wimbledon Music, 1978.

MLA (9e ed.) Bronvermelding

Joplin, Scott, en Ralph Sauer. Four Rags for Four Trombones. Wimbledon Music, 1978.