Zeltsman, N., Mattingly, R., & Ryan, A. (2003). Four mallet marimba playing: A musical approach for all levels (Tercera edición.). Hal Leonard Corporation.

Zeltsman, Nancy., Rick Mattingly, and Andy Ryan. Four Mallet Marimba Playing: A Musical Approach for All Levels. Tercera edición. Milwaukee: Hal Leonard Corporation, 2003.

Zeltsman, Nancy., et al. Four Mallet Marimba Playing: A Musical Approach for All Levels. Tercera edición. Hal Leonard Corporation, 2003.