APA citiranje

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

Trích dẫn kiểu Chicago

Pearce, David W. Economics of Natural Resources and the Environment. Hertfordshire, UK: Harvester Wheatsheaf, 1990.

MLA citiranje

Pearce, David W. Economics of Natural Resources and the Environment. Hertfordshire, UK: Harvester Wheatsheaf, 1990.