JOHN CANNON. "crown." A Dictionary of British History. 2004. Encyclopedia.com. 7 Dec. 2009 <http://www.encyclopedia.com>.
JOHN CANNON. "crown." A Dictionary of British History. 2004. Encyclopedia.com. (December 7, 2009). http://www.encyclopedia.com/doc/1O43-crown.html
JOHN CANNON. "crown." A Dictionary of British History. 2004. Retrieved December 07, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O43-crown.html