Zhong guo gu jin de 500 ge fa ming fa xian /
Chen yu, chen ning.
中国古今的500个发明发现
APA Citation
Chen, N., Chen, Y., 陈宁., 陈宇. (1999). Zhong guo gu jin de 500 ge fa ming fa xian. Di 1 ban. Bei jing: Zhong guo shao nian er tong chu ban she.
MLA Citation
Chen, Ning, Yu Chen, 陈宁, and 陈宇. Zhong Guo Gu Jin De 500 Ge Fa Ming Fa Xian. Di 1 ban. Bei jing: Zhong guo shao nian er tong chu ban she, 1999.
Warning: These citations may not always be complete (especially for serials).