1. 1
    Conversational Chinese 301 = Han yu hui hua 301 ju /
    Conversational Chinese 301 = 汉語会话301句 /
    by Kang, Yuhua
    Published 1990
    Book
  2. 2
    Han yu kou yu zhi yin /
    汉语口语指引 /
    by Tian, Shou-he
    Published 2005
    Book
  3. 3
    Shokyū ga owattara hajimeyō : Nihongo keigo torēningu /
    初級が終わったら始めよう : にほんご敬語トレーニング /
    by Kaneko, Hiroyuki
    Published 2006
    Book