APA (7th ed.) Zitazioa
Plischke, E. (1999). U.S. Department of State: A reference history. Greenwood Press.
Chicago Style (17th ed.) Zitazioa
Plischke, Elmer. U.S. Department of State: A Reference History. Westport, Conn.: Greenwood Press, 1999.
MLA (9th ed.) Zitazioa
Plischke, Elmer. U.S. Department of State: A Reference History. Greenwood Press, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.