G. GRAMACHO, W. (2005). Robert S. Erikson, Michael B. Mackuen .y James A. Stimson, The Macro Polity, Cambridge, Cambridge University Press, 2002, 470 p. PolĂ­tica Y Gobierno, 12(2), 331-333. http://www.politicaygobierno.cide.edu/index.php/pyg/article/view/302