ニコバル諸語
Adams, K. L. (1989). Systems of numeral classification in the Mon–Khmer, Nicobarese and Aslian subfamilies of Austroasiatic. Canberra, A.C.T., Australia: Dept. of Linguistics, Research School of Pacific Studies, Australian National University. ISBN 0-85883-373-5
Radhakrishnan, R. (1981). The Nancowry Word: Phonology, Affixal Morphology and Roots of a Nicobarese Language. Current Inquiry Into Language and Linguistics 37. Linguistic Research Inc., P.O. Box 5677, Station 'L', Edmonton, Alberta, Canada, T6C 4G1. ISBN 0-88783-041-2