Olson, William C.
The theory and practice of international relations
Prentice-Hall International, 1994
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Williams, Howard
International relations and the limits of political theory / Howard Williams
St. Martin`s Press, 1996
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Brown, Chris
International relations theory : new normative approaches / Chris Brown
Harvester Wheatsheaf, 1992
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Beitz, Charles R.
Political theory and international relations / Charles R. Beits
Princeton University Press, 1979
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Knutsen, Torbjörn L.
a History of international relations theory : an introduction Knutsen
Manchester University Press, 1992
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