Fowler, Robert Booth
Contemporary issues in political theory
Praeger, 1985
Buku Teks SO
Ebenstein, William
Great political thinkers plato to the present
Rinehart, 1960
Buku Teks
Ebenstein, William
Great political thinkers : Plato to the present
Thomson Learning, 2000
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Joad, C.E.M.
Introduction to modern political theory
Clarendon Press, 1959
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Grimes, Alan P.
Modern political ideologies
Oxford University Press , 1959
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