APA (7th ed.) Zitazioa
ebrary, Inc, Tonra, B., & Christiansen, T. (2004). Rethinking European Union foreign policy. Manchester University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Ben Tonra, eta Thomas Christiansen. Rethinking European Union Foreign Policy. Manchester: Manchester University Press, 2004.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Rethinking European Union Foreign Policy. Manchester University Press, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.