UNITED STATES v. KRAS. The Oyez Project at IIT Chicago-Kent College of Law. 11 February 2012. <http://www.oyez.org/cases/1970-1979/1972/1972_71_749>.
UNITED STATES v. KRAS, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1970-1979/1972/1972_71_749 (last visited February 11, 2012).
"UNITED STATES v. KRAS," The Oyez Project at IIT Chicago-Kent College of Law, accessed February 11, 2012, http://www.oyez.org/cases/1970-1979/1972/1972_71_749.