Evolutionary thought in America
edited by Stow Persons
Yale University Press, 1950
Buku Teks SO
Liss, Sheldon B.
Radical thought in central America
Westview Press, 1991
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Modern political thought: a reader
Routledge, 2000
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Deutsch, Kenneth L.
An Invitation to political thought
Thomson, 2009
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Sharma, R.P.
Western political thought
Sterling Publishers Private, 1984
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