APA (7th ed.) Zitazioa

Hughes, B. B. (1997). Continuity and chance in world politics: Competing perspectives (3rd ed.). Prentice Hall.

Chicago Style (17th ed.) Zitazioa

Hughes, Barry B. Continuity and Chance in World Politics: Competing Perspectives. 3rd ed. New Jersey: Prentice Hall, 1997.

MLA (9th ed.) Zitazioa

Hughes, Barry B. Continuity and Chance in World Politics: Competing Perspectives. 3rd ed. Prentice Hall, 1997.