Eisenstadt, Todd A., author
Camberidge University Press , 2004
Buku Teks
Polsby, Nelson W., author
Charles Scribner's Sons, 1980
Buku Teks
Zurn, Christopher F., author
Cambrigde University Press , 2009
Buku Teks
Brady, Alexander, author
University of Toronto Press, 1948
Buku Teks
Cambridge University Press, 2019
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