APA (7th ed.) Zitazioa
Barr, S. (2008). Environment and society: Sustainability, policy and the citizen. Ashgate.
Chicago Style (17th ed.) Zitazioa
Barr, Stewart. Environment and Society: Sustainability, Policy and the Citizen. Aldershot, England ; Burlington, VT: Ashgate, 2008.
MLA (9th ed.) Zitazioa
Barr, Stewart. Environment and Society: Sustainability, Policy and the Citizen. Ashgate, 2008.
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