Tohutoro APA (7th ed.)

Dewees, D. (1975). Economic analysis of environmental policies. Univ.of Toronto.

Tohutoru Kātū Chicago (17th ed.)

Dewees, D.N. Economic Analysis of Environmental Policies. Toronto: Univ.of Toronto, 1975.

Tohutoro MLA (9th ed.)

Dewees, D.N. Economic Analysis of Environmental Policies. Univ.of Toronto, 1975.