Perman, R., Ma, Y., McGilvray, J., & Common, M. (2003). Natural resource and environmental economics (Third edition.). Pearson Education.
芝加哥风格引文Perman, Roger, Yue Ma, James McGilvray, 与 Michael Common. Natural Resource and Environmental Economics. Third edition. New York: Pearson Education, 2003.
MLA引文Perman, Roger, et al. Natural Resource and Environmental Economics. Third edition. Pearson Education, 2003.
警告：这些引文格式不一定是100％准确.