Cita APA (7th ed.)

Hughes, B. (1991). Continuity and change in world politics: The clash of perspectives. Prentice Hall.

Cita Chicago (17th ed.)

Hughes, Barry. Continuity and Change in World Politics: The Clash of Perspectives. Englewood Cliffs, N.J: Prentice Hall, 1991.

Cita MLA (9th ed.)

Hughes, Barry. Continuity and Change in World Politics: The Clash of Perspectives. Prentice Hall, 1991.