Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Whittaker, D. J. (1997). United Nations in the contemporary world. Routledge.
Chicago Style (17th ed.) Zitazioa
Whittaker, David J. United Nations in the Contemporary World. London ; New York: Routledge, 1997.
MLA (9th ed.) Zitazioa
Whittaker, David J. United Nations in the Contemporary World. Routledge, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.