APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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