Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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