Wilson, Don E. & Reeder, DeeAnn M. (toim.): Otolemur crassicaudatusMammal Species of the World. A Taxonomic and Geographic Reference (3rd ed). 2005. Bucknell University. Viitattu 18.6.2011. (englanniksi)
iucnredlist.org
Bearder, S.: Otolemur crassicaudatusIUCN Red List of Threatened Species. Version 2014.1. 2008. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 8.7.2014. (englanniksi)