Wilson, Don E. & Reeder, DeeAnn M. (toim.): CervidaeMammal Species of the World. A Taxonomic and Geographic Reference (3rd ed). 2005. Bucknell University. Viitattu 25.12.2010. (englanniksi)
Wilson, Don E. & Reeder, DeeAnn M. (toim.): PrefaceMammal Species of the World. A Taxonomic and Geographic Reference (3rd ed). 2005. Bucknell University. Viitattu 25.12.2010. (englanniksi)