APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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