Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.