Richards, E. (2009). Melody & Rhythm permutatios: More than 300 exercises for mallets and other instruments. Hal Leonard Corporation.
Chicago (17e ed.) BronvermeldingRichards, Emil. Melody & Rhythm Permutatios: More than 300 Exercises for Mallets and Other Instruments. Australia: Hal Leonard Corporation, 2009.
MLA (8e ed.) BronvermeldingRichards, Emil. Melody & Rhythm Permutatios: More than 300 Exercises for Mallets and Other Instruments. Hal Leonard Corporation, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.