| dbp:reference
|
- Kliewer, Vernon . "Melody: Linear Aspects of Twentieth-Century Music". In Aspects of Twentieth-Century Music, edited by Gary Wittlich, pp. 270–301. Englewood Cliffs, New Jersey: Prentice-Hall. . (en)
- Benward, Bruce, and Marilyn Nadine Saker . Music: In Theory and Practice, seventh edition, vol. 1. Boston: McGraw-Hill. . (en)
|