Παραπομπή APA

Frankel, J. (1983). International relations in a changing world. (2nd ed.). OUP.

Παραπομπή Chicago Style

Frankel, Joseph. International Relations in a Changing World. 2nd ed. Bombay: OUP, 1983.

Παραπομπή MLA

Frankel, Joseph. International Relations in a Changing World. 2nd ed. OUP, 1983.