Du, W. (1964). Gu yao yan (Zai ban.). Shi jie shu ju.
Chicago Style (17th ed.) CitationDu, Wenlan. Gu Yao Yan. Zai ban. Taibei Shi: Shi jie shu ju, 1964.
MLA (9th ed.) CitationDu, Wenlan. Gu Yao Yan. Zai ban. Shi jie shu ju, 1964.
Warning: These citations may not always be 100% accurate.