ProCon.org. "Quotes about Critical Thinking - Page One." ProCon.org. 9 Jan. 2015, 12:40 p.m., www.procon.org/view.resource.php?resourceID=001926

ProCon.org. “Quotes about Critical Thinking – Page One.” ProCon.org. 9 Jan. 2015, 12:40 p.m., http://www.procon.org/view.resource.php?resourceID=001926