1. 1
    Beijing guan hua yu yin yan jiu /
    北京官话语音研究 /
    by Zhang, Shifang, 1973-
    Published 2010
    Book
  2. 2
    Dongbei fang yan de hua yu mo shi yan jiu /
    东北方言的话语模式研究 /
    by Qin, Haiyan
    Published 2008
    Book