Ukarumpa: SIL-PNG Academic Publications, 2008. — X, 187 p. — (Data Papers on Papua New Guinea Languages, Volume 55). — ISBN: 9980-0-3426-0.
The Kwomtari–Baibai languages, often referred to ambiguously as Kwomtari languages, are a hypothetical language family of six languages spoken by some 4000 people in the north of Papua New Guinea, near the border with Indonesia. The term "Kwomtari languages" can also refer to one of the established branches of this proposal.
Honsberger M., Honsberger C., Tupper I. Introduction to the Kwomtari people and language.
Drew J. Kwomtari Phonology Essentials.
Spencer K. Kwomtari Grammar Essentials.