Diller, Anthony V. N., Jerold A. Edmondson, and Yongxian Luo. 2008. The Tai-Kadai Languages. Oxon: Routledge.
Dunn, Michael. 2009. “Contact and Phylogeny in Island Melanesia.” Lingua 119(11): 1664–78.
Minett, James W., and William Sy. Wang. 2008. “Modelling Endangered Languages: The Effects of Bilingualism and Social Structure.” Lingua 118(1): 19–45.