1 2 3 4 Zhou, Zhenhe (1987). Xihan Zhengqu Dili 西汉政区地理. Beijing: People's Press. tr. 98–100.
↑ Loewe, Michael (1986). “The Former Han Dynasty”. Trong Twitchett, Denis; Fairbank, John K. (biên tập). The Cambridge History of China, Volume I: The Ch'in and Han Empires, 221 B.C. – A.D. 220. Cambridge: Cambridge University Press. tr. 118. ISBN9780521243278.
↑ Loewe, Michael (1986). “The Former Han Dynasty”. Trong Twitchett, Denis; Fairbank, John K. (biên tập). The Cambridge History of China, Volume I: The Ch'in and Han Empires, 221 B.C. – A.D. 220. Cambridge: Cambridge University Press. tr. 143. ISBN9780521243278.