Nations, U. (1994). Population, environment and development: Proceedings of U.N. expert group meeting on environment, population and development, 1992. United Nations.
Style de citation Chicago (17e éd.)Nations, United. Population, Environment and Development: Proceedings of U.N. Expert Group Meeting on Environment, Population and Development, 1992. United Nations, 1994.
Style de citation MLA (9e éd.)Nations, United. Population, Environment and Development: Proceedings of U.N. Expert Group Meeting on Environment, Population and Development, 1992. United Nations, 1994.
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