Cirone, Anthony J.; Grover, Neil; Whaley, Garwood (2006). The Art of Percussion Playing (1st ed.). Meredith Music. p. 88. ISBN1-57463-047-4. OCLC70782197.
Holland, James (2005). Practical Percussion: A Guide to the Instruments and Their Sources (Rev. ed.). Scarecrow Press. p. 50. ISBN978-1-4616-7063-6. OCLC681550519.