Chicago Tribune. April 1, 2010 [2020-06-13]. (原始内容存档于2011-07-17). ILLINOIS HIGH COURT SANCTIONS SWASTIKAS IN NAZI PARTY MARCH; Justices 'Reluctantly' Overturn
v. Office of Disciplinary Counsel, 471 U.S. 626 (2985). Biskupic, Joan. High court takes video game case. 今日美國. 2010-04-26 [2011-07-02]. (原始内容存档于2010-11-04)