==Notes====References==*Encyclopædia Britannica 2005 Ultimate Reference Suite DVD, article- "Wu Ching-tzu"* He, Manzi, "Rulin Waishi" ("The Scholars").
* Encyclopædia Britannica 2005 Ultimate Reference Suite DVD, article- «Wu Ching-tzu»* He, Manzi, «Rulin Waishi» («The Scholars»).