References Used

- http://www.pbs.org/wgbh/pages/frontline/shows/binladen/who/alqaeda.html

- http://www.theguardian.com/world/2011/may/02/osama-bin-laden-obituary

- http://www.cnn.com/2013/09/09/world/death-of-osama-bin-laden-fast-facts/

- http://en.wikipedia.org/wiki/Al-Qaeda

- http://www.infoplease.com/spot/al-qaeda-terrorism.html