Hedges, S.; Duckworth, J.W.; Timmins, R.J.; Semiadi, G. & Priyono, A. (2008). "Rusa timorensis". IUCN Red List of Threatened Species. 2008. Retrieved 9 April 2009.old-form url Database entry includes a brief justification of why this species is of vulnerable.
Timmins, Rob; Group, William Duckworth (IUCN SSC Small Carnivore Specialist; Group), IUCN SSC Deer Specialist; Rla), Simon Hedges (IUCN SSC Asian Elephant; Lipi), Gono Semiadi (Research Centre for Biology-; Group), Gordon Dryden (IUCN SSC Deer Specialist (2014-11-17). "IUCN Red List of Threatened Species: Rusa timorensis". IUCN Red List of Threatened Species. Retrieved 2020-08-26. {{cite web}}: |last2= has generic name (help)