↑ Nordhoff, Sebastian; Hammarström, Harald; Forkel, Robert; Haspelmath, Martin biên tập (2013). “Naga Trung”. Glottolog. Leipzig: Max Planck Institute for Evolutionary Anthropology.
↑ Coupe, Alexander R. 2012. Overcounting numeral systems and their relevance to sub-grouping in the Tibeto-Burman languages of Nagaland. Language and Linguistics / Academica Sinica 13. 193-220.
↑ Saul, J. D. 2005. The Naga of Burma: Their festivals, customs and way of life. Bangkok, Thailand: Orchid Press.
van Driem, George (2001). Languages of the Himalayas: An Ethnolinguistic Handbook of the Greater Himalayan Region. Leiden: Brill.
Language and Social Development Organization (LSDO). 2006. A sociolinguistic survey of Makuri, Para, and Long Phuri Naga in Layshi Township, Myanmar. Unpublished manuscript.
Mills, J. P (1926). The Ao Nagas. London: MacMillan & Co.
