C.Field Barry, & K.Field Martha. (2005). Environmental Economics. American: MC Graw Hill.
Čikaški stil citiranjaC.Field Barry, i K.Field Martha. Environmental Economics. American: MC Graw Hill, 2005.
MLA način citiranjaC.Field Barry, i K.Field Martha. Environmental Economics. American: MC Graw Hill, 2005.
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