APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (9वां संस्करण) प्रशस्ति पत्र

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