De yu =
Subtitle: Deutsch
By: Beijing wai guo yu xue yuan De yu zhuan ye bian ; zhu bian Zhu Yan ; bian ji Ma Hongxiang, Liang Min ; [ben shu cha tu Wang Qiushui].
Edition: Di 1 ban.
Publisher: Shang wu yin shu guan; Xin hua shu dian Beijing fa xing suo fa xing
Published: 1980
Place of publication: Beijing
Language: chi
Number of pages: 21