APA (7th ed.) Zitazioa
ebrary, Inc, & Isely, E. R. (2010). United Nations peacekeeping in the 21st century. Nova Science Publishers.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Efram R. Isely. United Nations Peacekeeping in the 21st Century. New York: Nova Science Publishers, 2010.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Efram R. Isely. United Nations Peacekeeping in the 21st Century. Nova Science Publishers, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.