Tohutoro APA (7th ed.)

Perman, R., Ma, Y., & Common, M. (2003). Natural resource and environmental economics (3rd ed.). Financial Times Prentice Hall.

Tohutoru Kātū Chicago (17th ed.)

Perman, Roger, Yue Ma, me Michael Common. Natural Resource and Environmental Economics. 3rd ed. Harlow, England: Financial Times Prentice Hall, 2003.

Tohutoro MLA (9th ed.)

Perman, Roger, et al. Natural Resource and Environmental Economics. 3rd ed. Financial Times Prentice Hall, 2003.