Cita APA (7th ed.)

Richards, E. (2009). Melody & Rhythm permutatios: More than 300 exercises for mallets and other instruments. Hal Leonard Corporation.

Cita Chicago (17th ed.)

Richards, Emil. Melody & Rhythm Permutatios: More than 300 Exercises for Mallets and Other Instruments. Australia: Hal Leonard Corporation, 2009.

Cita MLA (8th ed.)

Richards, Emil. Melody & Rhythm Permutatios: More than 300 Exercises for Mallets and Other Instruments. Hal Leonard Corporation, 2009.