Han, Zhaoqi (2010). "Biographies of the Disciples of Confucius". Shiji 史记 (dalam bahasa Chinese). Zhonghua Book Company. ISBN978-7-101-07272-3.CS1 maint: unrecognized language (link)
Yang, Kuan (2003). Zhanguo shi 战国史 [History of the Warring States] (dalam bahasa Chinese). Shanghai People's Publishing House. ISBN978-7-208-04537-8.CS1 maint: unrecognized language (link)