Cita APA (7th ed.)

COTTRELL, A. (1978). Environmental economics: An introduction for students of the resource and environmental sciencess. Edward Arnold.

Cita Chicago (17th ed.)

COTTRELL, Alan. Environmental Economics: An Introduction for Students of the Resource and Environmental Sciencess. London: Edward Arnold, 1978.

Cita MLA (9th ed.)

COTTRELL, Alan. Environmental Economics: An Introduction for Students of the Resource and Environmental Sciencess. Edward Arnold, 1978.