Shively, G., & Zelek, C. Linking economic policy and environmental outcomes at a watershed scale (2002.).
Čikaški stil citiranja (17. izdanje)Shively, Gerald, i Charles Zelek. Linking Economic Policy and Environmental Outcomes at a Watershed Scale. 2002.
MLA način citiranja (9. izdanje)Shively, Gerald, i Charles Zelek. Linking Economic Policy and Environmental Outcomes at a Watershed Scale. 2002.
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