Ti pagsasao a Drehu ([ɖehu]; ammo pay a kas Dehu,[2]Lifou,[3]Lifu,[4]qene drehu[5]) ket ti maysa a pagsasao nga Austronesio a kaaduan a naisasao idiay Isla Lifou, Is-isla Lealtad, Baro a Caledonia. Daytoy ket addaan kadagiti agarup a sangapulo ket dua a ribo a nalaing nga agsasao ken ti kasasaad a kas rehional a pagsasao ti Pransia.
Notes Grammaticales sur la langue de Lifu (Loyaltys) (iti Pranses). Paris. 1882.
Ray, Sidney H. (Hul–Dis 1917). "The People and Language of Lifu, Loyalty Islands". Journal of the Royal Anthropological Institute. Royal Anthropological Institute of Great Britain and Ireland. 47: 239–322. doi:10.2307/2843343. JSTOR2843343.
Walsh, D. T. (1967). Dehu Grammar. Canberra: Pacific Linguistics.
(iti Pranses) Le drehu, langue de Lifou (Iles Loyauté): phonologie, morphologie, syntaxe. ISBN2-85297-142-9
(iti Pranses) Maurice Lenormand, Dictionnaire de la langue de Lifou. Le Qene Drehu, 1999, Nouméa, Le Rocher-à-la-Voile, 533p