Thurgood, Graham and Fengxiang Li. 2003. "Contact Induced Variation and Syntactic Change in the Tsat of Hainan." In Language variation: papers on variation and change in the Sinosphere and in the Indosphere in honour of James A.~Matisoff, edited by David Bradley et al.. 555: 185-200. Canberra: Research School of Pacific and Asian Studies, Australian National University.