^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. p. xii (preface). ISBN978-0415668187. Retrieved 13 June 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.")
^Carter, Keith Lambert (2019). Great Power, Arms, And Alliances. Retrieved 25 January 2021. U.S., Russia, China, France, Germany, U.K. and Italy - Table on page 56,72 (Major powers-great power criteria)
^Kuper, Stephen. "Clarifying the nation's role strengthens the impact of a National Security Strategy 2019". Archived from the original on 10 December 2021. Retrieved 22 January 2020. Traditionally, great powers have been defined by their global reach and ability to direct the flow of international affairs. There are a number of recognised great powers within the context of contemporary international relations – with Great Britain, France, India and Russia recognised as nuclear capable great powers, while Germany, Italy and Japan are identified as conventional great powers