Bei Wei qian qi zheng zhi zhi du
MLA
Yan, Yaozhong, and Yun Shi. Bei Wei Qian Qi Zheng Zhi Zhi Du. Zhongguo Shao Shu Min Zu Wen Ku. Di 1 ban. [Changchun shi]: Jilin jiao yu chu ban she , 1990
APA, 7th edition
Yan, Y., & Shi, Y. (1990). Bei Wei qian qi zheng zhi zhi du. Zhongguo shao shu min zu wen ku. Di 1 ban. [Changchun shi]: Jilin jiao yu chu ban she
Chicago, 17th edition
Yan, Yaozhong, and Yun Shi. Bei Wei qian qi zheng zhi zhi du. Zhongguo shao shu min zu wen ku. Di 1 ban. [Changchun shi]: Jilin jiao yu chu ban she , 1990