Don E. Wilson; DeeAnn M. Reeder, eds. (2005). "Equus caballus". Mammal Species of the World. A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. Retrieved 12 February 2009.
Kavar, Tatjana; Peter Dovč (2008). "Domestication of the horse: Genetic relationships between domestic and wild horses". Livestock Science. 116 (1–3): 1–14. doi:10.1016/j.livsci.2008.03.002.
Usukhjargal, Dorj; Henkens, RenéJ H. G.; Boer, Willem F. de; Vos, Anneleen E. W. de; Ras, Erica; Duyne, Caroline van (28 August 2009). "Wolf Predation Among Reintroduced Przewalski Horses in Hustai National Park, Mongolia". Journal of Wildlife Management. 73 (6): 836–843. doi:10.2193/2008-027. S2CID85877321.
Orlando, Ludovic; Male, Dean; Alberdi, Maria Teresa; Prado, Jose Luis; Prieto, Alfredo; Cooper, Alan; Hänni, Catherine (9 April 2008). "Ancient DNA Clarifies the Evolutionary History of American Late Pleistocene Equids". Journal of Molecular Evolution. 66 (5): 533–538. Bibcode:2008JMolE..66..533O. doi:10.1007/s00239-008-9100-x. PMID18398561. S2CID19069554.
Cai, Dawei; Zhuowei Tang; Lu Han; Camilla F. Speller; Dongya Y. Yang; Xiaolin Ma; Jian'en Cao; Hong Zhu; Hui Zhou (2009). "Ancient DNA provides new insights into the origin of the Chinese domestic horse". Journal of Archaeological Science. 36 (3): 835–842. Bibcode:2009JArSc..36..835C. doi:10.1016/j.jas.2008.11.006.
Benirschke, Poliakoff K.; N. Malouf; R. J. Low; H. Heck (16 April 1965). "Chromosome Complement: Differences between Equus caballus and Equus przewalskii". Science. 148 (3668): 382–383. doi:10.1126/science.148.3668.382. PMID14261533. S2CID21562513.
Orlando, Ludovic; Male, Dean; Alberdi, Maria Teresa; Prado, Jose Luis; Prieto, Alfredo; Cooper, Alan; Hänni, Catherine (9 April 2008). "Ancient DNA Clarifies the Evolutionary History of American Late Pleistocene Equids". Journal of Molecular Evolution. 66 (5): 533–538. Bibcode:2008JMolE..66..533O. doi:10.1007/s00239-008-9100-x. PMID18398561. S2CID19069554.
Cai, Dawei; Zhuowei Tang; Lu Han; Camilla F. Speller; Dongya Y. Yang; Xiaolin Ma; Jian'en Cao; Hong Zhu; Hui Zhou (2009). "Ancient DNA provides new insights into the origin of the Chinese domestic horse". Journal of Archaeological Science. 36 (3): 835–842. Bibcode:2009JArSc..36..835C. doi:10.1016/j.jas.2008.11.006.
Orlando, Ludovic; Male, Dean; Alberdi, Maria Teresa; Prado, Jose Luis; Prieto, Alfredo; Cooper, Alan; Hänni, Catherine (9 April 2008). "Ancient DNA Clarifies the Evolutionary History of American Late Pleistocene Equids". Journal of Molecular Evolution. 66 (5): 533–538. Bibcode:2008JMolE..66..533O. doi:10.1007/s00239-008-9100-x. PMID18398561. S2CID19069554.
Benirschke, Poliakoff K.; N. Malouf; R. J. Low; H. Heck (16 April 1965). "Chromosome Complement: Differences between Equus caballus and Equus przewalskii". Science. 148 (3668): 382–383. doi:10.1126/science.148.3668.382. PMID14261533. S2CID21562513.
Usukhjargal, Dorj; Henkens, RenéJ H. G.; Boer, Willem F. de; Vos, Anneleen E. W. de; Ras, Erica; Duyne, Caroline van (28 August 2009). "Wolf Predation Among Reintroduced Przewalski Horses in Hustai National Park, Mongolia". Journal of Wildlife Management. 73 (6): 836–843. doi:10.2193/2008-027. S2CID85877321.
Orlando, Ludovic; Male, Dean; Alberdi, Maria Teresa; Prado, Jose Luis; Prieto, Alfredo; Cooper, Alan; Hänni, Catherine (9 April 2008). "Ancient DNA Clarifies the Evolutionary History of American Late Pleistocene Equids". Journal of Molecular Evolution. 66 (5): 533–538. Bibcode:2008JMolE..66..533O. doi:10.1007/s00239-008-9100-x. PMID18398561. S2CID19069554.
Benirschke, Poliakoff K.; N. Malouf; R. J. Low; H. Heck (16 April 1965). "Chromosome Complement: Differences between Equus caballus and Equus przewalskii". Science. 148 (3668): 382–383. doi:10.1126/science.148.3668.382. PMID14261533. S2CID21562513.