APA (7th ed.) Zitazioa
ebrary, Inc, & Guzzini, S. (2012). The return of geopolitics in Europe?: Social mechanisms and foreign policy identity crises. Cambridge University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Stefano Guzzini. The Return of Geopolitics in Europe?: Social Mechanisms and Foreign Policy Identity Crises. Cambridge: Cambridge University Press, 2012.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Stefano Guzzini. The Return of Geopolitics in Europe?: Social Mechanisms and Foreign Policy Identity Crises. Cambridge University Press, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.