APA aipamena

Cooper, R. N. (1994). Environment and resource policies for the world economy. Brookings Institution.

Chicago Style aipamena

Cooper, Richard N. Environment and Resource Policies for the World Economy. Washington, D.C: Brookings Institution, 1994.

MLA aipamena

Cooper, Richard N. Environment and Resource Policies for the World Economy. Brookings Institution, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.