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 Evolution. 44 (4): 406—13. Bibcode:1997JMolE..44..406O. PMID9089080. S2CID417046. doi:10.1007/PL00006160.
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 Evolution. 44 (4): 406—13. Bibcode:1997JMolE..44..406O. PMID9089080. S2CID417046. doi:10.1007/PL00006160.
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 Evolution. 44 (4): 406—13. Bibcode:1997JMolE..44..406O. PMID9089080. S2CID417046. doi:10.1007/PL00006160.
Chasen, Frederick Nutter (1940). „A Handlist of Malaysian Mammals”. Bulletin of the Raffles Museum, Singapore (15): 190. Архивирано из оригинала 11. 08. 2017. г. Приступљено 26. 11. 2017.
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 Evolution. 44 (4): 406—13. Bibcode:1997JMolE..44..406O. PMID9089080. S2CID417046. doi:10.1007/PL00006160.
Chasen, Frederick Nutter (1940). „A Handlist of Malaysian Mammals”. Bulletin of the Raffles Museum, Singapore (15): 190. Архивирано из оригинала 11. 08. 2017. г. Приступљено 26. 11. 2017.