Statesman, patriot, and general in ancient China : three Shih Chi biographies of the
Ch'in Dynasty (255-206 B. C.) / translated and discussed by Derk Bodde,..., 1940
http://authorities.loc.gov consulté le 2011-12-06
Information trouvée : Tzʻu hai, 1979 : p. 428 (Ching Kʻo ; d. 227 B.C.)