APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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