Porter, Charles O. (Charles Orlando), 1919-2006
The struggle for democracy in Latin America
Macmillan, 1961
 Buku Teks SO
Cheibub, Jose Antonio
Presidentialism, parliamentarism, and democracy
Cambridge University Press, 2007
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Szulc, Tad
Latin America
Atheneum, 1966
 Buku Teks SO
Szulc, Tad
Latin America
Atheneum, 1966
 Buku Teks SO
Latin America
edited by Eduardo P. Archetti
MacMillan Education, 1987
 Buku Teks SO