Thomas, J. M., & Thomas, J. M. (2007). Environmental economics: Applictions, policy, and theory. Thomson South-Western.
Chicago-viite (17. p.)Thomas, Janet M., ja Janet M. Thomas. Environmental Economics: Applictions, Policy, and Theory. Thomson South-Western, 2007.
MLA-viite (8. p.)Thomas, Janet M., ja Janet M. Thomas. Environmental Economics: Applictions, Policy, and Theory. Thomson South-Western, 2007.
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