1. United Nations Transforming our world: The 2030 Agenda for Sustainable Development 2015 http://www.un.org/ga/search/view_doc.asp?symbol = A/RES/70/1&Lang=
2. United Nations World Commission on Environment and Development Our Common Future (Brundtland Report) 1987.https://en.wikisource.org/wiki/Brundtland_Report