1 2 3 4 5 6 Mittermeier, R.A.; Schwitzer, C.; Rylands, A.B.; Taylor, L.A.; Chiozza, F.; Williamson, E.A.; Wallis, J. biên tập (2012). “Primates in Peril: The World's 25 Most Endangered Primates 2012–2014” (PDF). Illustrated by S.D. Nash. IUCN/SSC Primate Specialist Group (PSG), International Primatological Society (IPS), Conservation International (CI), and Bristol Conservation and Science Foundation (BCSF). tr. 1–40.
↑ Mittermeier, R.A.; Ratsimbazafy, J.; Rylands, A.B.; Williamson, L.; Oates, J.F.; Mbora, D.; Ganzhorn, J.U.; Rodríguez-Luna, E.; Palacios, E.; Heymann, E.W.; Cecília, M.; Kierulff, M.; Yongcheng, L.; Supriatna, J.; Roos, C.; Walker, S.; Aguiar, J.M. biên tập (2007). Illustrated by S.D. Nash. “Primates in Peril: The World's 25 Most Endangered Primates 2006–2008” (PDF). Primate Conservation (IUCN/SSC Primate Specialist Group) 22: 1–40. doi:10.1896/052.022.0101.
↑ Mittermeier, R.A.; Schwitzer, C.; Rylands, A.B.; Schwitzer, C.; Taylor, L.A.; Chiozza, F.; Williamson, E.A. (2012). “Primates in Peril: The World's 25 Most Endangered Primates 2010–2012” (PDF). IUCN/SSC Primate Specialist Group (PSG), International Primatological Society (IPS), Conservation International (CI), and Bristol Conservation and Science Foundation (BCSF). tr. 1–40.
