Tài liệu tham khảo WikiPedia: Cervinae http://arts.anu.edu.au/grovco/Pitra%20deer.pdf http://www.departments.bucknell.edu/biology/resour... //www.ncbi.nlm.nih.gov/pubmed/15522810 //dx.doi.org/10.1016%2Fj.ympev.2004.07.013 http://fossilworks.org/bridge.pl?a=taxonInfo&taxon... https://www.itis.gov/servlet/SingleRpt/SingleRpt?s... https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwt... https://animaldiversity.org/accounts/Cervinae/
