Citazione Stile APA (7a Edizione)

(1981). Economics of environmental and natural resources policy. Westview Pr.

Citazione stile Chigago Style (17a edizione)

Economics of Environmental and Natural Resources Policy. Boulder, Colo: Westview Pr, 1981.

Citatione MLA (9a ed.)

Economics of Environmental and Natural Resources Policy. Westview Pr, 1981.