Zen yang jin xing diao cha yan jiu /
Yu Guangyuan.
怎样进行调查研究
APA Citation
Yu, G., 于光远, 1. (1981). Zen yang jin xing diao cha yan jiu. Di 1 ban. Beijing: Zhongguo qing nian chu ban she .
MLA Citation
Yu, Guangyuan, 1915-2013, and 1915- 于光远. Zen Yang Jin Xing Diao Cha Yan Jiu. Di 1 ban. Beijing: Zhongguo qing nian chu ban she , 1981.
Warning: These citations may not always be complete (especially for serials).