HUGHES TOOL CO. v. TWA. The Oyez Project at IIT Chicago-Kent College of Law. 12 February 2012. <http://www.oyez.org/cases/1960-1969/1964/1964_443>.
HUGHES TOOL CO. v. TWA, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1960-1969/1964/1964_443 (last visited February 12, 2012).
"HUGHES TOOL CO. v. TWA," The Oyez Project at IIT Chicago-Kent College of Law, accessed February 12, 2012, http://www.oyez.org/cases/1960-1969/1964/1964_443.