Dyfyniad APA

Pearce, D. (2006). Environmental valuation in developed countries: Case studies. Edward Elgar.

Dyfyniad Arddull Chicago

Pearce, David. Environmental Valuation in Developed Countries: Case Studies. Cheltenham, [England]: Edward Elgar, 2006.

Dyfyniad MLA

Pearce, David. Environmental Valuation in Developed Countries: Case Studies. Edward Elgar, 2006.

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