Bishop, R. C., & Romano, D. [. (1998). Environmental resource valuation: Applications of the contingent valuation method in Italy. Kluwer Academic.
Παραπομπή Chicago StyleBishop, Richard C.[ed.], και Donato [ed.] Romano. Environmental Resource Valuation: Applications of the Contingent Valuation Method in Italy. Boston: Kluwer Academic, 1998.
Παραπομπή MLABishop, Richard C.[ed.], και Donato [ed.] Romano. Environmental Resource Valuation: Applications of the Contingent Valuation Method in Italy. Kluwer Academic, 1998.
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