^Blust, R. (1999). "Subgrouping, circularity and extinction: some issues in Austronesian comparative linguistics" in E. Zeitoun & P.J.K Li (Ed.) Selected papers from the Eighth International Conference on Austronesian Linguistics (pp. 31-94). Taipei: Academia Sinica.
^"UNESCO’s list of endangered languages"[1] (页面存档备份,存于互联网档案馆),Thinking About Languages, April 25, 2011 .
^"UNESCO Atlas of the World's Languages in danger"[2],2011.