1. American Rivers (n.d.) What is green infrastructure? Retrieved 05 January 2016 from http://www.americanrivers.org/initiatives/pollution/green-infrastructure/what-is-green-infrastructure/.
2. Constitución de la República de Ecuador (Constitution of the Republic of Ecuador);Asamblea Nacional de Ecuador,2008
3. Advancing urban sustainability theory and action: challenges and opportunities;Childers;Landscape and Urban Planning,2014
4. City of Copenhagen (2012). The City of Copenhagen Cloudbrust Management Plan 2012. Technical and Environmental Administration. City of Copenhagen.
5. The political filter in the local implementation of initiatives relating to urban ecology;Douglas;Landscape and Urban Planning,2014