APA (7 वां संस्करण) प्रशस्ति पत्र

Chopra, K. R., & Kadekodi, G. K. (1999). Operationalising sustainable development: Economic-ecological modelling for developing countries. Sage.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Chopra, Kanchan Ratna, और Gopal K. Kadekodi. Operationalising Sustainable Development: Economic-ecological Modelling for Developing Countries. New Delhi ; Thousand Oaks, Calif.: Sage, 1999.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Chopra, Kanchan Ratna, और Gopal K. Kadekodi. Operationalising Sustainable Development: Economic-ecological Modelling for Developing Countries. Sage, 1999.