Haas, T. (2011). Improving natural resource management: Ecological and political models. John Wiley & Sons Inc..
Čikaški stil citiranja (17. izdanje)Haas, Timothy. Improving Natural Resource Management: Ecological and Political Models. Chichester, West Sussex: John Wiley & Sons Inc., 2011.
MLA način citiranja (9. izdanje)Haas, Timothy. Improving Natural Resource Management: Ecological and Political Models. John Wiley & Sons Inc., 2011.
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