Cita APA (7th ed.)

Allen, M., Gillespie, R., & Tellejohn Hayes, P. Essential thechnique: For strings intermediate technique studies.

Cita Chicago (17th ed.)

Allen, Michael, Robert Gillespie, i Pamela Tellejohn Hayes. Essential Thechnique: For Strings Intermediate Technique Studies.

Cita MLA (8th ed.)

Allen, Michael, et al. Essential Thechnique: For Strings Intermediate Technique Studies.