1. Aquinas, Thomas. “Question 40: On War, Article 1: Whether it is always Sinful to Wage War?” In The Ethics of War: Classic and Contemporary Readings, edited by Gregory M. Reichberg, Henrik Syse, and Endre Begby, 176-178. Malden, MA, Oxford, and Victoria, TX: Blackwell Publishing Ltd., 2006.
2. Aquinas, Thomas. “Question 64: On Murder, Article 7: Whether it is Permissible to Kill a Man in Self-Defense?” In The Ethics of War: Classic and Contemporary Readings, edited by Gregory M. Reichberg, Henrik Syse, and Endre Begby, 190-191. Malden, MA, Oxford, and Victoria, TX: Blackwell Publishing Ltd., 2006.
3. Askari, Hossein G., John Forrer, Hildy J. Teegen, and Yang Jiawen. Economic Sanctions: Examining Their Philosophy and Efficacy. Westport, CT: Praeger Publishers, 2003.
4. Biersteker, Thomas J., Sue E. Eckert, and Marcos Tourinho. “Thinking about United Nations Targeted Sanctions.” In Targeted Sanctions: The Impacts and Effectiveness of United Nations Action, edited by Thomas J. Biersteker, Sue E. Eckert, and Marcos Tourinho, 11-37. Oxford: Oxford University Press, 2016. doi: https://doi.org/10.1017/CBO9781316460290.
5. Cortright, David, and George A. Lopez. The Sanctions Decade: Assessing UN Strategies in the 1990s. Boulder, CO: Lynne Rienner Publishers, 2000.