APA (7 वां संस्करण) प्रशस्ति पत्र

Ramkrishnan, P. (1993). Shifting agriculture and sustainable development: An interdisciplinary study from North-Eastern India. Oxford U.P.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Ramkrishnan, P.S. Shifting Agriculture and Sustainable Development: An Interdisciplinary Study from North-Eastern India. Oxford U.P, 1993.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Ramkrishnan, P.S. Shifting Agriculture and Sustainable Development: An Interdisciplinary Study from North-Eastern India. Oxford U.P, 1993.

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