Pearce, D. (2006). Environmental valuation in developed countries: Case studies. Edward Elgar.
Lua i Stíl Chicago (17ú heag.)Pearce, David. Environmental Valuation in Developed Countries: Case Studies. Cheltenham, [England]: Edward Elgar, 2006.
Lua MLA (9ú heag.)Pearce, David. Environmental Valuation in Developed Countries: Case Studies. Edward Elgar, 2006.
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