信息不完整 “East and Southeast Asia” (349-424) . David Bradley (2007) , C. Moseley · London & New York: Routledge
- 语言环境评论
Classified in the Yao nationality, but speak a Kadai language; some Buyang also speak Yerong. Not related to Yao, including the Daban Yao of southwestern Yunnan who speak Iu Mien Yao.