231 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "231" in English language version.

refsWebsite

Global rank English rank

1books.google.com

3^rd place

3^rd place

books.google.com

Crespigny, Rafe de (2010). Imperial Warlord: A Biography of Cao Cao 155-220 AD. BRILL. p. 459. ISBN 9789004188303.