Westlake, N., & Askill, M. (2007). Omphalo centric lecture: A percussion quartet for 2 marimbas, log drum, shaker & splash cymbal (Rev. 2007 "Synergy" version for 2 marimbas (4 players).). Rimshot Music.
Chicago Style (17th ed.) CitationWestlake, Nigel, and Michael Askill. Omphalo Centric Lecture: A Percussion Quartet for 2 Marimbas, Log Drum, Shaker & Splash Cymbal. Rev. 2007 "Synergy" version for 2 marimbas (4 players). Turramurra, N.S.W.: Rimshot Music, 2007.
MLA (9th ed.) CitationWestlake, Nigel, and Michael Askill. Omphalo Centric Lecture: A Percussion Quartet for 2 Marimbas, Log Drum, Shaker & Splash Cymbal. Rev. 2007 "Synergy" version for 2 marimbas (4 players). Rimshot Music, 2007.
Warning: These citations may not always be 100% accurate.