APA Zitierstil

Du Yaping. (1998). Economy and environment program for Southeast Asia: Application of Contingent Valuation and Travel Cost Methods,The value of water quality for recreation in East Lake, Wuhan, China. Singapore: EEPSEA.

Chicago Zitierstil

Du Yaping. Economy and Environment Program for Southeast Asia: Application of Contingent Valuation and Travel Cost Methods,The Value of Water Quality for Recreation in East Lake, Wuhan, China. Singapore: EEPSEA, 1998.

MLA Zitierstil

Du Yaping. Economy and Environment Program for Southeast Asia: Application of Contingent Valuation and Travel Cost Methods,The Value of Water Quality for Recreation in East Lake, Wuhan, China. Singapore: EEPSEA, 1998.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.