Παραπομπή APA

Frankel, J. (1979). International relations in a changing world. Oxford University Press.

Παραπομπή Chicago Style

Frankel, Joseph. International Relations in a Changing World. Bombay: Oxford University Press, 1979.

Παραπομπή MLA

Frankel, Joseph. International Relations in a Changing World. Oxford University Press, 1979.