Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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