APA ציטוט

United Nations Environment Programme. (1991). Tanneries and the environment: A technical guide to reducing the environmental impact of tannery operations. United Nations Environment Programme.

Chicago Style (17th ed.) Citation

United Nations Environment Programme. Tanneries and the Environment: A Technical Guide to Reducing the Environmental Impact of Tannery Operations. Paris: United Nations Environment Programme, 1991.

ציטוט MLA

United Nations Environment Programme. Tanneries and the Environment: A Technical Guide to Reducing the Environmental Impact of Tannery Operations. United Nations Environment Programme, 1991.