P. Shearman, M. Sussex, European Security After 9/11(Ashgate, 2004) - According to Shearman and Sussex, both the UK and France were great powers now reduced to middle power status.
Jordaan, Eduard (2003). «The concept of a middle power in international relations: distinguishing between emerging and traditional middle powers». Politikon30 (1): 165–181. doi:10.1080/0258934032000147282.
Efstathopoulos, Charalampos (2011). «Reinterpreting India's Rise through the Middle Power Prism». Asian Journal of Political Science19 (1): 74–95. doi:10.1080/02185377.2011.568246. «India's role in the contemporary world order can be optimally asserted by the middle power concept. The concept allows for distinguishing both strengths and weakness of India's globalist agency, shifting the analytical focus beyond material-statistical calculations to theorise behavioural, normative and ideational parameters.».
Cartwright, Jan (2009). «India's Regional and International Support for Democracy: Rhetoric or Reality?». Asian Survey49 (3): 403–428. doi:10.1525/as.2009.49.3.403. «India’s democratic rhetoric has also helped it further establish its claim as being a rising "middle power." (A "middle power" is a term that is used in the field of international relations to describe a state that is not a superpower but still wields substantial influence globally. In addition to India, other "middle powers" include, for example, Australia and Canada.)».
Neumann, Iver B. (2008). «Russia as a great power, 1815–2007». Journal of International Relations and Development11: 128–151 [p. 128]. doi:10.1057/jird.2008.7. «As long as Russia's rationality of government deviates from present-day hegemonic neo-liberal models by favouring direct state rule rather than indirect governance, the West will not recognize Russia as a fully fledged great power.».
Behringer, Ronald M. (2005). «Middle Power Leadership on the Human Security Agenda». Cooperation and Conflict40 (3): 305–342. doi:10.1177/0010836705055068.
Jordaan, Eduard (August 2008). «Barking at the Big Dogs: South Africa's Foreign Policy Towards the Middle East». The Round Table97 (397): 547–559. doi:10.1080/00358530802207344.
Flemes, Daniel, Emerging Middle Powers' Soft Balancing Strategy: State and Perspectives of the IBSA Dialogue Forum (August 1, 2007). GIGA Working Paper No. 57. doi:10.2139/ssrn.1007692
Canada Among Nations, 2004: Setting Priorities Straight. McGill-Queen's Press - MQUP. 17 Ιανουαρίου 2005. σελ. 85. ISBN0773528369. Ανακτήθηκε στις 13 Ιουνίου 2016. ("The United States is the sole world's superpower. France, Italy, Germany and the United Kingdom are great powers")
Sterio, Milena (2013). The right to self-determination under international law : "selfistans", secession and the rule of the great powers. Milton Park, Abingdon, Oxon: Routledge. σελ. xii (preface). ISBN0415668182. Ανακτήθηκε στις 13 Ιουνίου 2016. ("The great powers are super-sovereign states: an exclusive club of the most powerful states economically, militarily, politically and strategically. These states include veto-wielding members of the United Nations Security Council (United States, United Kingdom, France, China, and Russia), as well as economic powerhouses such as Germany, Italy and Japan.")
