@book{390,
  address   = {Chengdu},
  author    = {et. al, Zhang Junru [张均如]},
  publisher = {Sichuan min zu chu ban she [四川民族出版社]},
  title     = {A Study of Zhuang dialects [壮语方言研究, Zhuàngyǔ Fāngyán Yánjiù]},
  year      = {1999}
}