World Forestry Congress & Tewari, D. (1990). Forest: a heritage for the future: Glimpses of the tenth World Forestry Congress held at Paris (France) from 17 to 26 September, 1991. Indian Council of Forestry Research and Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Forestry Congress और D.N Tewari. Forest: A Heritage for the Future: Glimpses of the Tenth World Forestry Congress Held at Paris (France) from 17 to 26 September, 1991. Dehradun: Indian Council of Forestry Research and Education, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWorld Forestry Congress और D.N Tewari. Forest: A Heritage for the Future: Glimpses of the Tenth World Forestry Congress Held at Paris (France) from 17 to 26 September, 1991. Indian Council of Forestry Research and Education, 1990.
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