Cita APA (7a ed.)

Petrie, C. (1960). Trombone and Baritone Method. Bd. 1. Belwin-Mills.

Cita Chicago Style (17a ed.)

Petrie, Charles. Trombone and Baritone Method. Bd. 1. Melville, NY: Belwin-Mills, 1960.

Cita MLA (8a ed.)

Petrie, Charles. Trombone and Baritone Method. Bd. 1. Belwin-Mills, 1960.