Lautzenheiser, T., Higgins, J., Menghini, C., Lavender, P., Rhodes, T. C., & Bierschenk, D. (2004). Essential Elements 2000: Barítone B.C. Book. Hal-Leonard Corporatión.
Chicago Style (17. basım) AtıfLautzenheiser, Tim, John Higgins, Charles Menghini, Paul Lavender, Tom. C. Rhodes, ve Don Bierschenk. Essential Elements 2000: Barítone B.C. Book. Milwuakee: Hal-Leonard Corporatión, 2004.
MLA (9th ed.) AtıfLautzenheiser, Tim, et al. Essential Elements 2000: Barítone B.C. Book. Hal-Leonard Corporatión, 2004.
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