UNITED TRANSPORTATION UNION v. MICHIGAN BAR. The Oyez Project at IIT Chicago-Kent College of Law. 13 February 2012. <http://www.oyez.org/cases/1970-1979/1970/1970_434>.
UNITED TRANSPORTATION UNION v. MICHIGAN BAR, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1970-1979/1970/1970_434 (last visited February 13, 2012).
"UNITED TRANSPORTATION UNION v. MICHIGAN BAR," The Oyez Project at IIT Chicago-Kent College of Law, accessed February 13, 2012, http://www.oyez.org/cases/1970-1979/1970/1970_434.