Tolong jelaskan mengenai Rujukan dari Liu Xin

Bielenstein, Hans. (1986). "Wang Mang, the Restoration of the Han Dynasty, and Later Han," di The Cambridge History of China: Volume I: the Ch'in and Han Empires, 221 B.C. – A.D. 220. Editor: Denis Twitchett dan Michael Loewe. Cambridge: Cambridge University Press. ISBN 0-521-24327-0.

Bin, Hansheng, "Liu Xin" . Encyclopedia of China (Philosophy Edition), 1st ed.

Crespigny, Rafe de. (2007). A Biographical Dictionary of Later Han to the Three Kingdoms (23-220 AD). Leiden: Koninklijke Brill. ISBN 90-04-15605-4.

Needham, Joseph (1986). Science and Civilization in China: Volume 3, Mathematics and the Sciences of the Heavens and the Earth. Taipei: Caves Books, Ltd.