APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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