1. United Nations Agenda 21https://sustainabledevelopment.un.org/content/documents/Agenda21.pdf
2. Achieving the sustainable development goals;Sachs;J. Int. Bus. Ethics,2015
3. The Talloires Declaration. 10 Point Action Planhttp://www.ulsf.org/talloires_declaration.html
4. CRUE-Sustainability Sectorial Commissionhttp://www.crue.org/SitePages/Crue-Sostenibilidad.aspx
5. European Commitment to Higher Education for Sustainable Development. 2011. Copernicus Charta 2.0/2011https://www.copernicus-alliance.org/