Cita APA

Berck, P., & Helfand, G. E. (2011). The economics of the environment. PHI Learning.

Citación estilo Chicago

Berck, Peter, and Gloria E. Helfand. The Economics of the Environment. New Delhi: PHI Learning, 2011.

Cita MLA

Berck, Peter, and Gloria E. Helfand. The Economics of the Environment. PHI Learning, 2011.

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