Petikan APA

Boucher, D. (1998). Political theories of international relations: From Thucydides to the present. Oxford ; New York: Oxford University Press.

Petikan Gaya Chicago

Boucher, David. Political Theories of International Relations: From Thucydides to the Present. Oxford ; New York: Oxford University Press, 1998.

Petikan MLA

Boucher, David. Political Theories of International Relations: From Thucydides to the Present. Oxford ; New York: Oxford University Press, 1998.

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