(en) Lap Minh Siu, Developing the First Preliminary Dictionary of North American Jarai (Master of Arts), Texas Tech University, (lire en ligne)
(en) Graham Thurgood, From Ancient Cham to Modern Dialects. Two Thousand Years of Language Contact and Change, Honolulu, University of Hawai‘i Press, coll. « Oceanic Linguistics Special publications » (no 28), (ISBN0-8248-2131-9)