1. Ago, Roberto. 1980. “Addendum—Eighth Report on State Responsibility by Mr. Roberto Ago, Special Rapporteur—the Internationally Wrongful Act of the State, Source of International Responsibility (Part 1).” United Nations Office of Legal Affairs. United Nations. https://legal.un.org/ilc/documentation/english/a_cn4_318_add5_7.pdf.
2. Baldoni, John. 2022. “Leadership Stagecraft: Churchill and Zelensky Stand up for Freedom.” Forbes Magazine, December 22. https://www.forbes.com/sites/johnbaldoni/2022/12/22/leadership-stagecraft-churchill-and-zelensky-stand-up-for-freedom/.
3. Bellamy, Alex J. 2015. “The Responsibility to Protect Turns Ten.” The Journal of Carnegie Council for Ethics in International Affairs 29 (2): 161–185. https://doi.org/10.1017/s0892679415000052.
4. Brown, Seyom. 2016. “Purposes and Pitfalls of War by Proxy: A Systemic Analysis.” Small Wars & Insurgencies 27 (2): 243–257. https://doi.org/10.1080/09592318.2015.1134047.
5. Center for Preventive Action. 2023. “War in Yemen.” Council on Foreign Relations. https://www.cfr.org/global-conflict-tracker/conflict/war-yemen.