APA (7e ed.) Bronvermelding

Perman, R., Ma, Y., Common, M., Maddison, D., & McGlivray, J. (2011). Natural resource and environmental economics (Forth edition.). Pearson Addison Wesley.

Chicago (17e ed.) Bronvermelding

Perman, Roger, Yue Ma, Michael Common, David Maddison, en James McGlivray. Natural Resource and Environmental Economics. Forth edition. Harlow, Essex ; New York: Pearson Addison Wesley, 2011.

MLA (8e ed.) Bronvermelding

Perman, Roger, et al. Natural Resource and Environmental Economics. Forth edition. Pearson Addison Wesley, 2011.