Dòng Nội dung
1
中级汉语口语 : 上册 = Intermediate spoken Chinese / Liu Delian; Liu Xiaoyu.
Beijing : Beijing da xue chu ban she, 1996-
2 v. : ill. ; 26 cm.
2
中级汉语口语 : 下册 = Intermediate spoken Chinese / Liu Delian, Liu Xiaoyu.
Beijing : Beijing da xue chu ban she, 1996.
2 v. il. 26 cm.



3
中级汉语口语 : 下册 =. Intermediate spoken Chinese . / Liu Delian; Liu Xiaoyu. Part two / :
Beijing : Beijing da xue chu ban she, 1998
189 tr. : ill. ; 26 cm.