Lewis, M. Paul & Simons, Gary F. & Fennig, Charles D.: North BorneoEthnologue: Languages of the World, Seventeenth edition. Dallas: SIL International. Viitattu 19.10.2014. (englanniksi)
glottolog.org
Hammarström, Harald & Forkel, Robert & Haspelmath, Martin & Nordhoff, Sebastian: North Bornean Malayo-PolynesianGlottolog 2.3. Leipzig: Max Planck Institute for Evolutionary Anthropology. Viitattu 19.10.2014. (englanniksi)