Allen, M., Gillespie, R., & Tellejohn Hayes, P. Essential thechnique: For strings intermediate technique studies.
Chicago-viite (17. p.)Allen, Michael, Robert Gillespie, ja Pamela Tellejohn Hayes. Essential Thechnique: For Strings Intermediate Technique Studies.
MLA-viite (8. p.)Allen, Michael, et al. Essential Thechnique: For Strings Intermediate Technique Studies.
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