Gaya APA

Valuing environmental and natural resources: the econometrics of non-market valuation [sumber elektronik] / Timothy C. Haab, Kenneth E. McConnell. (2002). : .

Gaya MLA

Valuing environmental and natural resources: the econometrics of non-market valuation [sumber elektronik] / Timothy C. Haab, Kenneth E. McConnell. . : , 2002. Text.