@book{jacquesestimative-song11guiqiong,
  address   = {Beijing},
  author    = {Song, Lingli \zh{宋伶俐}},
  publisher = {Mínzú chūbǎnshè \zh{民族出版社}},
  title     = {Guìqióngyǔ yánjiū \zh{贵琼语研究}},
  year      = {2011}
}