APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

Hughes, Barry. Continuity and Change in World Politics: Competing Perspectives. 3rd ed. Upper Saddle River, N.J.: Prentice Hall, 1997.

MLA-referens (9:e uppl.)

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