John J. Patrick, Richard M. Pious, and Donald A. Ritchie. "justices of the Supreme Court." The Oxford Guide to the United States Government. 2001. Encyclopedia.com. 20 Dec. 2009 <http://www.encyclopedia.com>.
John J. Patrick, Richard M. Pious, and Donald A. Ritchie. "justices of the Supreme Court." The Oxford Guide to the United States Government. 2001. Encyclopedia.com. (December 20, 2009). http://www.encyclopedia.com/doc/1O89-justicesoftheSupremeCourt.html
John J. Patrick, Richard M. Pious, and Donald A. Ritchie. "justices of the Supreme Court." The Oxford Guide to the United States Government. 2001. Retrieved December 20, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O89-justicesoftheSupremeCourt.html