John Whiteclay Chambers II. "Philip." The Oxford Companion to American Military History. Oxford University Press. 2000. Encyclopedia.com. 27 Nov. 2009 <http://www.encyclopedia.com>.
John Whiteclay Chambers II. "Philip." The Oxford Companion to American Military History. Oxford University Press. 2000. Encyclopedia.com. (November 27, 2009). http://www.encyclopedia.com/doc/1O126-Philip.html
John Whiteclay Chambers II. "Philip." The Oxford Companion to American Military History. Oxford University Press. 2000. Retrieved November 27, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O126-Philip.html