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.
Lua i Stíl Chicago (17ú heag.)World Forestry Congress agus 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.
Lua MLA (9ú heag.)World Forestry Congress agus 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.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.