J. Barnes, R. Stoll, "PREEMPTIVE AND PREVENTIVE WAR: A PRELIMINARY TAXONOMY", p.15, THE JAMES A. BAKER III INSTITUTE FOR PUBLIC POLICY RICE UNIVERSITY, URLArxivat 2010-11-23 a Wayback Machine.
J. Barnes, R. Stoll, "PREEMPTIVE AND PREVENTIVE WAR: A PRELIMINARY TAXONOMY", p.15, THE JAMES A. BAKER III INSTITUTE FOR PUBLIC POLICY RICE UNIVERSITY, URLArxivat 2010-11-23 a Wayback Machine.