Style de citation APA

Perman, R. (2011). Natural resource and environmental economics. Harlow, Essex: Pearson Addison Wesley.

Style de citation Chicago

Perman, Roger. Natural Resource and Environmental Economics. Harlow, Essex: Pearson Addison Wesley, 2011.

Style de citation MLA

Perman, Roger. Natural Resource and Environmental Economics. Harlow, Essex: Pearson Addison Wesley, 2011.

Attention : ces citations peuvent ne pas être correctes à 100%.