Zhou yi tan yuan /
Zheng Yantong zhu.
周易探原
APA Citation
Zheng, Y., 鄭衍通. (1976). Zhou yi tan yuan. .
MLA Citation
Zheng, Yantong, and 鄭衍通. Zhou Yi Tan Yuan. , 1976.
Warning: These citations may not always be complete (especially for serials).