Cita APA

Perman, R. (2011). Natural resource and environmental economics (4th ed.). Pearson Education.

Citación estilo Chicago

Perman, Roger. Natural Resource and Environmental Economics. 4th ed. Harlow, Essex, Eng: Pearson Education, 2011.

Cita MLA

Perman, Roger. Natural Resource and Environmental Economics. 4th ed. Pearson Education, 2011.

Warning: These citations may not always be 100% accurate.