Zhou yi zhen yuan :
Zhongguo zui gu lao de tian xue ke xue ti xi /
Tian Helu, Tian Feng zhu.
周易真原 : 中国最古老的天学科学体系
APA Citation
Tian, H., Tian, F., 田峰, 1., 田合禄. (2004). Zhou yi zhen yuan: Zhongguo zui gu lao de tian xue ke xue ti xi. Xiu ding zai ban. Taiyuan Shi: Shanxi ke xue ji shu chu ban she.
MLA Citation
Tian, Helu, Feng Tian, 1973- 田峰, and 田合禄. Zhou Yi Zhen Yuan: Zhongguo Zui Gu Lao De Tian Xue Ke Xue Ti Xi. Xiu ding zai ban. Taiyuan Shi: Shanxi ke xue ji shu chu ban she, 2004.
Warning: These citations may not always be complete (especially for serials).