• [Wiki] http://en.wikipedia.org/wiki/Nasalis_larvatus.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Nasalis_larvatus.
• [AWD] http://animaldiversity.ummz.umich.edu/accounts/Nasalis_larvatus/.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [Rued1981] Rüedi, D. (1981). Hand-rearing and reintegration of a caesarian-born proboscis monkey at Basle Zoo. International Zoo Yearbook, 21:225--229. doi:10.1111/j.1748-1090.1981.tb01991.x.