LABOR BOARD v. BURNUP & SIMS. The Oyez Project at IIT Chicago-Kent College of Law. 27 April 2013. <http://www.oyez.org/cases/1960-1969/1964/1964_15>.
LABOR BOARD v. BURNUP & SIMS, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1960-1969/1964/1964_15 (last visited April 27, 2013).
"LABOR BOARD v. BURNUP & SIMS," The Oyez Project at IIT Chicago-Kent College of Law, accessed April 27, 2013, http://www.oyez.org/cases/1960-1969/1964/1964_15.