APA (7e ed.) Bronvermelding
Barr, S. (2008). Environment and society: Sustainability, policy and the citizen. Ashgate.
Chicago (17e ed.) Bronvermelding
Barr, Stewart. Environment and Society: Sustainability, Policy and the Citizen. Aldershot, England ; Burlington, VT: Ashgate, 2008.
MLA (9e ed.) Bronvermelding
Barr, Stewart. Environment and Society: Sustainability, Policy and the Citizen. Ashgate, 2008.
Let op: Deze citaties zijn niet altijd 100% accuraat.