Brooks, S. G., & Wohlforth, W. C. (2008). World out of balance: International relations and the challenge of American primacy. Princeton University Press.
Chicago Style (17th ed.) ZitazioaBrooks, Stephen G., eta William Curti Wohlforth. World Out of Balance: International Relations and the Challenge of American Primacy. Princeton: Princeton University Press, 2008.
MLA (9th ed.) ZitazioaBrooks, Stephen G., eta William Curti Wohlforth. World Out of Balance: International Relations and the Challenge of American Primacy. Princeton University Press, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.