IAN CHILVERS. "Quietism." A Dictionary of Twentieth-Century Art. 1999. Encyclopedia.com. 10 Jul. 2009 <http://www.encyclopedia.com>.
IAN CHILVERS. "Quietism." A Dictionary of Twentieth-Century Art. 1999. Encyclopedia.com. (July 10, 2009). http://www.encyclopedia.com/doc/1O5-Quietism.html
IAN CHILVERS. "Quietism." A Dictionary of Twentieth-Century Art. 1999. Retrieved July 10, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O5-Quietism.html