• [Wiki] http://en.wikipedia.org/wiki/Pteronura_brasiliensis.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Pteronura_brasiliensis.
• [ADW] http://animaldiversity.ummz.umich.edu/accounts/Pteronura_brasiliensis/.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [LondMuno2006] Londono, G. C. and Munoz, N. T. (2006). Reproduction, behaviour and biology of the giant river otter Pteronura brasiliensis at {Cali Zoo}. Int. Zoo Yb., 40:360--371.