Cita APA (7th ed.)

Pearce, D. W. (1990). Economics of natural resources and the environment. Harvester Wheatsheaf.

Cita Chicago (17th ed.)

Pearce, David William. Economics of Natural Resources and the Environment. New York: Harvester Wheatsheaf, 1990.

Cita MLA (9th ed.)

Pearce, David William. Economics of Natural Resources and the Environment. Harvester Wheatsheaf, 1990.