Callan, S., & Thomas, J. M. (2004). Environmental economics and management: Theory, policy, and applications (3rd ed.). Dryden Press.
Citace podle Chicago (17th ed.)Callan, Scott, a Janet M. Thomas. Environmental Economics and Management: Theory, Policy, and Applications. 3rd ed. Fort Worth, Tex: Dryden Press, 2004.
Citace podle MLA (9th ed.)Callan, Scott, a Janet M. Thomas. Environmental Economics and Management: Theory, Policy, and Applications. 3rd ed. Dryden Press, 2004.
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