Sidwell, Paul. 2018. Proto-Nicobarese phonology (页面存档备份,存于互联网档案馆). In Papers from the Seventh International Conference on Austroasiatic Linguistics, 101-131. Journal of the Southeast Asian Linguistics Society Special Publication No. 3. University of Hawaiʻi Press.
Headley, Robert K. 1985. "Proto-Pearic and the classification of Pearic (页面存档备份,存于互联网档案馆)." In Suriya Ratanakult et al (eds.), Southeast Asian Linguistic Studies Presented to Andre-G. Haudricourt. Institute of Language and Culture for Rural Development, Mahidol University. pp. 428-478.
Headley, Robert K. 1985. "Proto-Pearic and the classification of Pearic (页面存档备份,存于互联网档案馆)." In Suriya Ratanakult et al (eds.), Southeast Asian Linguistic Studies Presented to Andre-G. Haudricourt. Institute of Language and Culture for Rural Development, Mahidol University. pp. 428-478.
Sidwell, Paul. 2018. Proto-Nicobarese phonology (页面存档备份,存于互联网档案馆). In Papers from the Seventh International Conference on Austroasiatic Linguistics, 101-131. Journal of the Southeast Asian Linguistics Society Special Publication No. 3. University of Hawaiʻi Press.