• [Wiki] http://en.wikipedia.org/wiki/Pan_paniscus.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Pan_paniscus.
• [ADW] http://animaldiversity.ummz.umich.edu/accounts/Pan_paniscus/.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [Neug1980] Neugebauer, W. (1980). The status and management of the pygmy chimpanzee Pan paniscus in European zoos. International Zoo Yearbook, 20(1):64–70. doi:10.1111/j.1748-1090.1980.tb00944.x.