Cita APA (7th ed.)

Frankel ,Joseph. (1979). International relations in a: Changing world. O.B.Pr..

Cita Chicago (17th ed.)

Frankel ,Joseph. International Relations in a: Changing World. Oxford: O.B.Pr., 1979.

Cita MLA (9th ed.)

Frankel ,Joseph. International Relations in a: Changing World. O.B.Pr., 1979.

Atenció: Aquestes cites poden no estar 100% correctes.