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.
Chicago-referens (17:e uppl.)World Forestry Congress och 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.
MLA-referens (9:e uppl.)World Forestry Congress och 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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