APA-referens (7:e uppl.)

Barr, S. (2008). Environment and society: Sustainability, policy and the citizen. Ashgate.

Chicago-referens (17:e uppl.)

Barr, Stewart. Environment and Society: Sustainability, Policy and the Citizen. Aldershot, England ; Burlington, VT: Ashgate, 2008.

MLA-referens (9:e uppl.)

Barr, Stewart. Environment and Society: Sustainability, Policy and the Citizen. Ashgate, 2008.