Marvuglio, M., & Feist, J. Berklee practice method: Teacher´s guide.
Cita Chicago (17th ed.)Marvuglio, Matt, i Jonathan Feist. Berklee Practice Method: Teacher´s Guide.
Cita MLA (8th ed.)Marvuglio, Matt, i Jonathan Feist. Berklee Practice Method: Teacher´s Guide.
Atenció: Aquestes cites poden no estar 100% correctes.