T. V. Paul, James J. Wirtz, Michel Fortmann. Balance of Power. 美利堅合眾國: en:State University of New York Press, 2005. 2005: 59, 282. ISBN 0791464016.Accordingly, the great powers after the Cold War are Britain, China, France, Germany, Japan, Russia, and the United States p.59
The Superpowers: The United States, Britain and the Soviet Union – Their Responsibility for Peace (1944), written by William Thornton Rickert Fox
T. V. Paul, James J. Wirtz, Michel Fortmann. Balance of Power. 美利堅合眾國: en:State University of New York Press, 2005. 2005: 59, 282. ISBN 0791464016.Accordingly, the great powers after the Cold War are Britain, China, France, Germany, Japan, Russia, and the United States p.59
Best, Antony; Hanhimäki, Jussi; Maiolo, Joseph; Schulze, Kirsten. International History of the Twentieth Century and Beyond. 美利堅合眾國: en:Routledge. 2008: 9. ISBN 0415438969.