NATIONAL R. PASSENGER CORP. v. A. T. & S. F. R. CO.. The Oyez Project at IIT Chicago-Kent College of Law. 30 April 2013. <http://www.oyez.org/cases/1980-1989/1984/1984_83_1492>.
NATIONAL R. PASSENGER CORP. v. A. T. & S. F. R. CO., The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1980-1989/1984/1984_83_1492 (last visited April 30, 2013).
"NATIONAL R. PASSENGER CORP. v. A. T. & S. F. R. CO.," The Oyez Project at IIT Chicago-Kent College of Law, accessed April 30, 2013, http://www.oyez.org/cases/1980-1989/1984/1984_83_1492.