Cita APA

Callan, S. J., & Thomas, J. M. (2013). Environmental economics & management: Theory, policy, and applications (6. edition.). United Kingdom: Cengage Learning.

Citación estilo Chicago

Callan, Scott J.,, y Janet M. Thomas. Environmental Economics & Management: Theory, Policy, and Applications. 6. edition. United Kingdom: Cengage Learning, 2013.

Cita MLA

Callan, Scott J.,, y Janet M. Thomas. Environmental Economics & Management: Theory, Policy, and Applications. 6. edition. United Kingdom: Cengage Learning, 2013.