APA (7 वां संस्करण) प्रशस्ति पत्र

Glasson, J., & Therivel, R. (2019). Introduction to environmental impact assessment (5th edition.). Routledge.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Glasson, John, और Riki Therivel. Introduction to Environmental Impact Assessment. 5th edition. Abingdon, Oxon: Routledge, 2019.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Glasson, John, और Riki Therivel. Introduction to Environmental Impact Assessment. 5th edition. Routledge, 2019.