Fried, Robert C.
Comparative political institutions
Macmillan, 1968
 Buku Teks SO
Aitkin, Don
Australian political institutions
Pitman, 1985
 Buku Teks SO
Aitkin, Don
Australian political institutions
Pitman, 1985
 Buku Teks SO
Australian Political Institutions
Gwynneth Singleton ... [et al.]
Pearson, 2013
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Busey, James L.
Latin America: political institutions and processes
Random House, 1968
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