LOUIS JACOBS. "Vashti." A Concise Companion to the Jewish Religion. 1999. Encyclopedia.com. 18 Dec. 2009 <http://www.encyclopedia.com>.
LOUIS JACOBS. "Vashti." A Concise Companion to the Jewish Religion. 1999. Encyclopedia.com. (December 18, 2009). http://www.encyclopedia.com/doc/1O96-Vashti.html
LOUIS JACOBS. "Vashti." A Concise Companion to the Jewish Religion. 1999. Retrieved December 18, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O96-Vashti.html