APA (7e ed.) Bronvermelding

Perman, R., Ma, Y., McGilvray, J., & Common, M. (2003). Natural resource and environmental economics (Third edition.). Pearson Education.

Chicago (17e ed.) Bronvermelding

Perman, Roger, Yue Ma, James McGilvray, en Michael Common. Natural Resource and Environmental Economics. Third edition. New York: Pearson Education, 2003.

MLA (8e ed.) Bronvermelding

Perman, Roger, et al. Natural Resource and Environmental Economics. Third edition. Pearson Education, 2003.