Thomas, J. M., & Callan, S. J. (2010). Environmental economics: Applications, policy, and theory (Fifth edition.). South-Western Cengage Learning.
Čikaški stil citiranja (17. izdanje)Thomas, Janet M., i Scott J. Callan. Environmental Economics: Applications, Policy, and Theory. Fifth edition. Mason, OH: South-Western Cengage Learning, 2010.
MLA način citiranja (9. izdanje)Thomas, Janet M., i Scott J. Callan. Environmental Economics: Applications, Policy, and Theory. Fifth edition. South-Western Cengage Learning, 2010.
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