Cita APA (7th ed.)

Lautzenheiser, T., Higgins, J., Lavender, P., Rhodes, T. C., & Bierschenk, D. (1999). Essential elements 2000 - Trombone book 1. Hal-Leonard Corp.

Cita Chicago (17th ed.)

Lautzenheiser, Tim, John Higgins, Paul Lavender, Tom C. Rhodes, i Don Bierschenk. Essential Elements 2000 - Trombone Book 1. Milwaukee: Hal-Leonard Corp, 1999.

Cita MLA (9th ed.)

Lautzenheiser, Tim, et al. Essential Elements 2000 - Trombone Book 1. Hal-Leonard Corp, 1999.