1-ESRI 2015. ArcGIS Desktop: Release 10.3.1. Redlands, CA: Environmental Systems Research Institute.
2-Pareja, Jose. Threatened Vertebrate Species [map]. Scale Not Given. "Applications of GIS Ecology, Environmental and Health Science Class", February 2016. Using: ArcGIS [GIS software]. Version 10.3.1 Redlands, CA: Environmental Systems Research Institute,Inc., 2010.
3-Digital Chart of the World (1:1,000,000 scale) developed by the Defense Mapping Agency of the United States of America
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