Industry and Environment Office & United Nations Environment Programme. (1991). Tanneries and the environment: A technical guide to reducing the environmental impact of tannery operations. United Nations Environmental Programme (UNEP), Industry and Environment Office.
Style de citation Chicago (17e éd.)Industry and Environment Office et United Nations Environment Programme. Tanneries and the Environment: A Technical Guide to Reducing the Environmental Impact of Tannery Operations. Paris, France: United Nations Environmental Programme (UNEP), Industry and Environment Office, 1991.
Style de citation MLA (9e éd.)Industry and Environment Office et United Nations Environment Programme. Tanneries and the Environment: A Technical Guide to Reducing the Environmental Impact of Tannery Operations. United Nations Environmental Programme (UNEP), Industry and Environment Office, 1991.