APA (7th ed.) Zitazioa
European Community Studies Association, ebrary, Inc, Cowles, M. G., & Smith, M. (2000). The state of the European Union. Oxford University Press.
Chicago Style (17th ed.) Zitazioa
European Community Studies Association, Inc ebrary, Maria Green Cowles, eta Michael Smith. The State of the European Union. Oxford, U.K. ; New York: Oxford University Press, 2000.
MLA (9th ed.) Zitazioa
European Community Studies Association, et al. The State of the European Union. Oxford University Press, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.