Kellogg, M.; Burkett, S.; Dennis, T. R.; Stone, G.; Gray, B. A.; McGuire, P. M.; Zori, R. T.; Stanyon, R. (2007). «Chromosome painting in the manatee supports Afrotheria and Paenungulata». Evolutionary Biology7: 6. doi:10.1186/1471-2148-7-6. ISSN1471-2148.
Ozawa, T.; Hayashi, S.; Mikhelson, V. M. (1997). «Phylogenetic position of mammoth and Steller's sea cow within tethytheria demonstrated by mitochondrial DNA sequences». Journal of Molecular Evolution44 (4): 406–13. doi:10.1007/PL00006160. PMID9089080.
Harper, D. «Elephant». Online Etymology Dictionary. Ανακτήθηκε στις 25 Οκτωβρίου 2012.
nih.gov
ncbi.nlm.nih.gov
Ozawa, T.; Hayashi, S.; Mikhelson, V. M. (1997). «Phylogenetic position of mammoth and Steller's sea cow within tethytheria demonstrated by mitochondrial DNA sequences». Journal of Molecular Evolution44 (4): 406–13. doi:10.1007/PL00006160. PMID9089080.
palaeolexicon.com
«elephant». Palaeolexicon, Word study tool of ancient languages. Ανακτήθηκε στις 19 Ιανουαρίου 2013.
Kellogg, M.; Burkett, S.; Dennis, T. R.; Stone, G.; Gray, B. A.; McGuire, P. M.; Zori, R. T.; Stanyon, R. (2007). «Chromosome painting in the manatee supports Afrotheria and Paenungulata». Evolutionary Biology7: 6. doi:10.1186/1471-2148-7-6. ISSN1471-2148.