Cottrell, A. (1978). Environmental economics: An introduction for students of the resource and environmental sciences. Edward Arnold.
Chicago-Zitierstil (17. Ausg.)Cottrell, Alan. Environmental Economics: An Introduction for Students of the Resource and Environmental Sciences. Edward Arnold, 1978.
MLA-Zitierstil (9. Ausg.)Cottrell, Alan. Environmental Economics: An Introduction for Students of the Resource and Environmental Sciences. Edward Arnold, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.