1.
The Economic approach to environmental and natural resources. Orlando: Dryden Press; 1995.
The Economic approach to environmental and natural resources. Orlando : Dryden Press, 17 mai 1995. ISBN 0-03-096352-4
Kahn James R. (1995). The Economic approach to environmental and natural resources. Dryden Press.
Style de citation MLA (8e éd.)Kahn James R. The Economic Approach to Environmental and Natural Resources. Dryden Press, 1995.
Attention : ces citations peuvent ne pas être correctes à 100%.