Beitz, Charles R.
Political theory and international relations / Charles R. Beits
Princeton University Press, 1979
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Gilpin, Robert
The Political economy of international relations
Princeton University Press, 1987
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Viotti, Paul R
International relations theory
Longman, 2012
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Olson, William C.
The theory and practice of international relations
Prentice-Hall International, 1994
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Frost, Mervyn
Ethics in international relations: a constitutive theory
Cambridge University Press, 1996
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