1. Berreby, D. (2005). Us and Them: Understanding Your Tribal Mind. Little, Brown and Co.
2. Blondeel, M., Bradshaw, M.J., Bridge, G. and Kuzemko, C. (2021). The Geopolitics of Energy System
3. Transformation: A Review. Geography Compass, 15(7), e12580. https://doi.org/10.1111/gec3.12580
4. Russia's Energy Leverage Over the EU: Myth or Reality?;Casier;Perspectives on European Politics and Society,2011
5. Unwarranted Influence: Dwight D;Cohn;Eisenhower and the Military-Industrial Complex Presidential Studies Quarterly,2012