Lloyd DG; Alderson J; Elliott BC (December 2000). "An upper limb kinematic model for the examination of cricket bowling: a case study of Mutiah Muralitharan". J. Sports Sci. 18: 975–82. doi:10.1080/026404100446775. PMID11138987.
espncricinfo.com
"Darrell Hair". ESPNcricinfo. Retrieved 23 January 2013.
Lloyd DG; Alderson J; Elliott BC (December 2000). "An upper limb kinematic model for the examination of cricket bowling: a case study of Mutiah Muralitharan". J. Sports Sci. 18: 975–82. doi:10.1080/026404100446775. PMID11138987.