27116, N. A. o. W. a. t. E. A. (1993). The greenbook: A manual. Washington D. C., US: United Nations Environment Programme .
Style de citation Chicago (17e éd.)27116, National Assembly of Women and the Environment Autoría. The Greenbook: A Manual. Washington D. C., US: United Nations Environment Programme , 1993.
Style de citation MLA (9e éd.)27116, National Assembly of Women and the Environment Autoría. The Greenbook: A Manual. Washington D. C., US: United Nations Environment Programme , 1993.