Valerio, J. (2013). Jazz piano technique: Exercises, etudes & ideas for building chops. Hal Leonard.
Chicago-viite (17. p.)Valerio, John. Jazz Piano Technique: Exercises, Etudes & Ideas for Building Chops. Milwaukee, Wis: Hal Leonard, 2013.
MLA-viite (9. p.)Valerio, John. Jazz Piano Technique: Exercises, Etudes & Ideas for Building Chops. Hal Leonard, 2013.
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