Coba jelasin Lihat juga dari Wu Xing dong

Feng Youlan (Yu-lan Fung), A History of Chinese Philosophy, volume 2, p. 13

Joseph Needham, Science and Civilization in China, volume 2, pp. 262–23

Maciocia, G. 2005, The Foundations of Chinese Medicine, 2nd edn, Elsevier Ltd., London

Chen Yuan, "Legitimation Discourse and the Theory of the Five Elements in Imperial China," Journal of Song-Yuan Studies (2014): 325-364.