International Union for Conservation of Nature and Natural Resources. Commission on Environmental Law, International Council of Environmental Law, & IUCN Environmental Law Centre. (1995). International covenant on environment and development. IUCN--the World Conservation Union.
Citação do estilo Chicago (17ª ed.)International Union for Conservation of Nature and Natural Resources. Commission on Environmental Law, International Council of Environmental Law, e IUCN Environmental Law Centre. International Covenant on Environment and Development. Gland, Switzerland: IUCN--the World Conservation Union, 1995.
Citação MLA (9ª ed.)International Union for Conservation of Nature and Natural Resources. Commission on Environmental Law, et al. International Covenant on Environment and Development. IUCN--the World Conservation Union, 1995.