Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

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