1. Ferrero-Waldener B (2007). The European Union and the World: A Hard Look at Soft Power. New York: Columbia University. September 24th, 2007.
2. Lancaster C. Foreign Aid: Diplomacy, Development. Domestic Politics: University of Chicago Press; 2007.
3. Europa (2010). Foreign and Security Policy: Speaking with One Voice. Accessed through: www.europa.eu/pol/cfsp/index_en.htm
4. Kagan R. Power and Weakness. Policy Review. 2002;113:208–21. Retrieved from https://www.mtholyoke.edu/acad/intrel/bush/kagan.htm .
5. European Commission (2010). The EU Role in Global Health. European Commission consultation document. Brussels: March 2010 Accessible through: https://ec.europa.eu/europeaid/eu-role-global-health_en