LABOR BOARD v. BURNUP & SIMS. The Oyez Project at IIT Chicago-Kent College of Law. 13 February 2012. <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 February 13, 2012).
"LABOR BOARD v. BURNUP & SIMS," The Oyez Project at IIT Chicago-Kent College of Law, accessed February 13, 2012, http://www.oyez.org/cases/1960-1969/1964/1964_15.