APA-Zitierstil (7. Ausg.)

Callan, S., & Thomas, J. M. (2004). Environmental economics & management: Theory, policy, and applications (3rd ed.). Thomson/South-Western.

Chicago-Zitierstil (17. Ausg.)

Callan, Scott, und Janet M. Thomas. Environmental Economics & Management: Theory, Policy, and Applications. 3rd ed. Mason, Ohio: Thomson/South-Western, 2004.

MLA-Zitierstil (9. Ausg.)

Callan, Scott, und Janet M. Thomas. Environmental Economics & Management: Theory, Policy, and Applications. 3rd ed. Thomson/South-Western, 2004.