Puchala, D. J. (2003). Theory and history in international relations. Routledge.
Cita Chicago Style (17a ed.)Puchala, Donald James. Theory and History in International Relations. New York: Routledge, 2003.
Cita MLA (9a ed.)Puchala, Donald James. Theory and History in International Relations. Routledge, 2003.
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