Bibliography

Stedman,T (2004). Stedman"s Medical Dictionary (25th ed.).
  
     William and Wilkins.

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

 

http://www.ncausa.org/i4a/pages/index.cfm?pageid=68


http://www.coffeeresearch.org/coffee/history.htm

http://www.ico.org/coffee_story.asp