TOM McARTHUR. "AMERICAN LANGUAGE, The." Concise Oxford Companion to the English Language. 1998. Encyclopedia.com. 25 Nov. 2009 <http://www.encyclopedia.com>.
TOM McARTHUR. "AMERICAN LANGUAGE, The." Concise Oxford Companion to the English Language. 1998. Encyclopedia.com. (November 25, 2009). http://www.encyclopedia.com/doc/1O29-AMERICANLANGUAGEThe.html
TOM McARTHUR. "AMERICAN LANGUAGE, The." Concise Oxford Companion to the English Language. 1998. Retrieved November 25, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O29-AMERICANLANGUAGEThe.html