http://en.wikipedia.org/wiki/Canada

http://canada.gc.ca/acanada/ViewCategory.htm?lang=eng

http://www.aboutcanada.ca/

http://gocanada.about.com/

http://www.ehow.com/how_4850953_canada-work-permits.html

https://www.cia.gov/library/publications/the-world-factbook/geos/ca.html

http://www.countryreports.org/country.aspx?countryid=45&countryName=Canada

http://www.about.com/index.htm?once=true&

http://canada.gc.ca/home.html

http://www.canada.com/aboutus/index.html