- www.wikipedia.es
- www.wikipedia.com
- https://www.cia.gov/library/publications/the-world-factbook/
- http://kids.nationalgeographic.com/kids/places/find/
- http://www.ieslamarina.org/departamentos/ingles/upload-jjaviering/project0708/index-ESC.htm
- www.wordreference.com
- http://www.usconsulate.org.hk/pas/kids/
- https://www.cia.gov/library/publications/the-world-factbook/geos/us.html
AUSTRALIA
SOUTH AFRICA
www.southafrica.net/sat/content/en/za/home
https://www.cia.gov/library/publications/the-world-factbook/geos/sf.html