Lee, C. H. (1998). A study of Yang Yan and his two-tax system.
Chicago Style (17th ed.) CitationLee, Chee Hiang. A Study of Yang Yan and His Two-tax System. 1998.
MLA (8th ed.) CitationLee, Chee Hiang. A Study of Yang Yan and His Two-tax System. 1998.
Warning: These citations may not always be 100% accurate.