Sustentável, C. d. N. U. s. D. (2012). Zero net land degradation: A sustainable development goal for Rio+20: to secure the contribuition of our planet's land and soil to sustainable development, including food security and poverty eradication.
Cita Chicago Style (17a ed.)Sustentável, Conferência das Nações Unidas sobre Desenvolvimento. Zero Net Land Degradation: A Sustainable Development Goal for Rio+20: To Secure the Contribuition of Our Planet's Land and Soil to Sustainable Development, Including Food Security and Poverty Eradication. 2012.
Cita MLA (9a ed.)Sustentável, Conferência das Nações Unidas sobre Desenvolvimento. Zero Net Land Degradation: A Sustainable Development Goal for Rio+20: To Secure the Contribuition of Our Planet's Land and Soil to Sustainable Development, Including Food Security and Poverty Eradication. 2012.