Sumardja, E.
Strien, N.J. van; Sectionov; Isnan, W.; Khan, M.; Sumardja, E.A.; Shellis, R.P.; Boeadi; Payne, J.; Martin, E.B. 2011. Dicerorhinus sumatrensis. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. <www.iucnredlist.org>.
Strien, N.J. van; Sectionov; Isnan, W.; Sumardja, E.A.; Khan, M.; Ellis, S. 2011. Rhinoceros sondaicus. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. <www.iucnredlist.org>.
Khan, M.; Dey, S.C.; Sumardja, E.A.; Foose, T.J.; Strien, N.J. van 2000. Asian Rhino Specialist Group: triennial report 1997-2000. Species 34: 32-33.
Khan, M.; Dey, S.C.; Sumardja, E.A.; Foose, T.J.; Strien, N.J. van 1996. Asian Rhino Specialist Group. Species 26/27: 47-48, fig. 1.
Sumardja, E.A. 1995. Sumatran rhino conservation. Conservation Biology 9 (5): 978-979.
Bari, A.; Sumardja, E.A.; Lusli, S. 1991. Indonesian rhino conservation plan.






