• [Wiki] http://en.wikipedia.org/wiki/Lutrogale_perspicillata.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Lutrogale_perspicillata.
• [ADW] http://animaldiversity.ummz.umich.edu/accounts/Lutrogale_perspicillata/.
• [Badh1973] Badham, M. (1973). Breeding the Indian smooth otter Lutrogale perspicillata sindica x L. p. perspicillata at Twycross Zoo. Int. Zoo Yb., 13:145--146. doi:10.1111/j.1748-1090.1973.tb02132.x.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.