(en) Michael S. Lief et H. Mitchell Caldwell, The Devil's Advocates: Greatest Closing Arguments in Criminal Law, Simon and Schuster, , 448p. (ISBN978-1-4165-7186-5, lire en ligne), chap.3 («Rules of Engagement»)
(en) Miki Vohryzek, Gayle Olson-Raymer et Jeffery O. Whamond, Domestic Terrorism and Incident Management: Issues and Tactics, Charles C Thomas Publisher, , 314p. (ISBN978-0-398-08308-3, lire en ligne), p.175
(en) Stephen Jones et Peter Israel, Others Unknown Timothy Mcveigh And The Oklahoma City Bombing Conspiracy, PublicAffairs, (ISBN1-58648-098-7, lire en ligne), p.331