Du Yaping. (1998). The value of improved water quality for recreation in East Lake, Wuhan, China: Application of contingent valuation and travel cost methods. Economy and Environment Program for Southeast Asia.
Chicago Style (17th ed.) CitationDu Yaping. The Value of Improved Water Quality for Recreation in East Lake, Wuhan, China: Application of Contingent Valuation and Travel Cost Methods. Singapore: Economy and Environment Program for Southeast Asia, 1998.
MLA (9th ed.) CitationDu Yaping. The Value of Improved Water Quality for Recreation in East Lake, Wuhan, China: Application of Contingent Valuation and Travel Cost Methods. Economy and Environment Program for Southeast Asia, 1998.
Warning: These citations may not always be 100% accurate.