APA (7 वां संस्करण) प्रशस्ति पत्र

Rajagopalan R. (2023). Environmental studies: From Crisis to Cure (4th.). OUP.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Rajagopalan R. Environmental Studies: From Crisis to Cure. 4th. New Delhi: OUP, 2023.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Rajagopalan R. Environmental Studies: From Crisis to Cure. 4th. OUP, 2023.