Pierson, William W.
Governments of Latin America
D. Van Nostrand, 1953
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Jorrin, Miguel
Governments of Latin America
D. Van Nostrand Company, Inc, 1953
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The breakdown of democratic regimes Latin America
edited by Juan J. Linz and Alfred Stepan
John Hopkins University Press, 1978
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Busey, James L.
Latin America: political institutions and processes
Random House, 1968
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Wiarda, Howard J.
Latin American politics : a new world of possibility
Wardword, 1995
 Buku Teks SO