Palmer, N. D., & By Perkins , H. . C. (2000). International relations: The world community in transition (3rd ed.). A.LT.B.S..
Cita Chicago (17th ed.)Palmer, Norman D., i Howard C. By Perkins. International Relations: The World Community in Transition. 3rd ed. Delhi: A.LT.B.S., 2000.
Cita MLA (9th ed.)Palmer, Norman D., i Howard C. By Perkins. International Relations: The World Community in Transition. 3rd ed. A.LT.B.S., 2000.
Atenció: Aquestes cites poden no estar 100% correctes.