Dyfyniad APA

Pham, K. N., & Tran Vo, H. S. (2005). Household demand for improved water services in Ho Chi Minh City: A comparison of contingent valuation and choice modeling estimates. Economy and Environment Program for Southeast Asia.

Dyfyniad Arddull Chicago

Pham, Khanh Nam, and Hung Son Tran Vo. Household Demand for Improved Water Services in Ho Chi Minh City: A Comparison of Contingent Valuation and Choice Modeling Estimates. Singapore: Economy and Environment Program for Southeast Asia, 2005.

Dyfyniad MLA

Pham, Khanh Nam, and Hung Son Tran Vo. Household Demand for Improved Water Services in Ho Chi Minh City: A Comparison of Contingent Valuation and Choice Modeling Estimates. Economy and Environment Program for Southeast Asia, 2005.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.