↑ Cat Specialist Group (1996). Panthera tigris ssp. sumatrae. Senarai Merah Spesies Terancam IUCN 2006. IUCN 2006. www.iucnredlist.org. Dicapai pada 11 May 2006. Database entry includes a brief justification of why this subspecies is critically endangered and the criteria used.
1 2 Cracraft J., Feinstein J., Vaughn J., Helm-Bychowski K. (1998). "Sorting out tigers (Panthera tigris) Mitochondrial sequences, nuclear inserts, systematics, and conservation genetics". Animal Conservation. 1: 139–150. doi:10.1111/j.1469-1795.1998.tb00021.x. Selenggaraan CS1: Pelbagai nama: senarai pengarang (link)
