Rujukan Orang_utan_Tapanuli

  1. 1 2 3 4 5 6 7 8 9 Nater, A.; dll. (2017-11-02). "Morphometric, Behavioral, and Genomic Evidence for a New Orangutan Species". Current Biology. doi:10.1016/j.cub.2017.09.047. Selenggaraan CS1: Penggunaan eksplisit et al. (link)
  2. ↑ Cochrane, Joe (2017-11-02). "New Orangutan Species Could Be the Most Endangered Great Ape". The New York Times. Dicapai 2017-11-03. 
  3. ↑ Gill, Victoria (2017-11-02). "New great ape species identified". BBC News (dalam bahasa Inggeris). Dicapai 2017-11-03. 
  4. 1 2 3 Anderson, Natali (2017-11-02). "New Great Ape Species Found on Sumatra: Tapanuli Orangutan (Pongo tapanuliensis)". Sci-News.com (dalam bahasa Inggeris). Dicapai 2017-11-03. 
  5. ↑ Knapton, Sarah (2017-11-02). "New great ape discovered... and immediately listed as world's most endangered". The Telegraph (dalam bahasa Inggeris). ISSN 0307-1235. Dicapai 2017-11-03. 
  6. 1 2 Wright , Stephen (2017-11-02). "Frizzy-haired, smaller-headed orangutan may be new great ape". Washington Post (dalam bahasa Inggeris). ISSN 0190-8286. Dicapai 2017-11-03. 
  7. ↑ Bittel, Jason (2017-11-02). "Scientists Discover a New—and Endangered—Orangutan Species". NRDC (dalam bahasa Inggeris). Dicapai 2017-11-03. 
  8. 1 2 Stokstad, Erik (2017-11-02). "New great ape species found, sparking fears for its survival". Science (dalam bahasa Inggeris). doi:10.1126/science.aar3900. 
  9. ↑ Davis, Nicola (2017-11-02). "New species of orangutan discovered in Sumatra – and is already endangered". The Guardian (dalam bahasa Inggeris). ISSN 0261-3077. Dicapai 2017-11-03.