APA (7e ed.) Bronvermelding

Callan, S., & Thomas, J. M. (1996). Environmental economics and management: Theory, policy, and applications. Irwin.

Chicago (17e ed.) Bronvermelding

Callan, Scott, en Janet M. Thomas. Environmental Economics and Management: Theory, Policy, and Applications. Chicago: Irwin, 1996.

MLA (8e ed.) Bronvermelding

Callan, Scott, en Janet M. Thomas. Environmental Economics and Management: Theory, Policy, and Applications. Irwin, 1996.