CHEMICAL WORKERS v. PITTSBURGH GLASS. The Oyez Project at IIT Chicago-Kent College of Law. 12 February 2012. <http://www.oyez.org/cases/1970-1979/1971/1971_70_32>.
CHEMICAL WORKERS v. PITTSBURGH GLASS, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1970-1979/1971/1971_70_32 (last visited February 12, 2012).
"CHEMICAL WORKERS v. PITTSBURGH GLASS," The Oyez Project at IIT Chicago-Kent College of Law, accessed February 12, 2012, http://www.oyez.org/cases/1970-1979/1971/1971_70_32.