Wilson, Don E., and Sue Ruff, eds. 1999-01-01. The Smithsonian Book of North American Mammals. Smithsonian Institution Press. Washington, DC, USA. xxv + 750. 1-56098-845-2. .
Wilson, Don E., and DeeAnn M. Reeder, eds. 2005-10-01. Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vols. 1 & 2. Johns Hopkins University Press. Baltimore, Maryland, USA. 2142. 0-8018-8221-4. .
Wilson, Don E., and DeeAnn M. Reeder, eds. 1992-01-01. Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing. Smithsonian Institution Press. Washington, DC, USA. xviii + 1207. 1-56098-217-9. Corrections were made to text at 3rd printing.
Wilson & Reeder, eds. (2005): Comments: The original spelling is "Naemorhedus". Naemorhaedus, Nemorhaedus, Nemorhedus, Nemorrhaedus, and Nemorrhedus are later spellings. If one of these is in prevailing usage (Article 220.127.116.11, International Code of Zoological Nomenclature; International Commission on Zoological Nomenclature, 1999), it can be deemed to be a justified emendation, but this has yet to be demonstrated. Reviewed by Dolan (1963) and Groves and Grubb (1985) who included Capricornis in this genus; revised by Groves and G...