Παραπομπή APA

Palmer,, N. D., & Perkins,, H. C. (1997). International relations (3rd rev. ed.). A.I.T.B.S.

Παραπομπή Chicago Style

Palmer,, Norman D., και Howard C. Perkins. International Relations. 3rd rev. ed. Delhi: A.I.T.B.S, 1997.

Παραπομπή MLA

Palmer,, Norman D., και Howard C. Perkins. International Relations. 3rd rev. ed. A.I.T.B.S, 1997.