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.