HARRISON v. PPG INDUSTRIES, INC.. The Oyez Project at IIT Chicago-Kent College of Law. 26 April 2013. <http://www.oyez.org/cases/1970-1979/1979/1979_78_1918>.
HARRISON v. PPG INDUSTRIES, INC., The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1970-1979/1979/1979_78_1918 (last visited April 26, 2013).
"HARRISON v. PPG INDUSTRIES, INC.," The Oyez Project at IIT Chicago-Kent College of Law, accessed April 26, 2013, http://www.oyez.org/cases/1970-1979/1979/1979_78_1918.