Grupo de interesse

}Berry, Jeffrey M., The Interest Group Society, Boston, Little, Brown & Co., 1984 [reed., Glenview, Scott, Foresman & Co., 1989].} Cigler, Allan J., Loomis, Burdett A., eds., Interest Groups Politics, Washington D. C., CQ Press, 1991.} LaPalombara, Joseph,                         Interest Groups in Italian Politics, Princeton, Princeton University Press, 1964.} Moe, Terry M., The Organization of Interests. Incentives and the Internal Dynamics of Political Interest Groups, Chicago, The University of Chicago Press, 1980.} Mundo, Philip A., Interest Groups. Cases and Characteristics, Chicago, Nelson A. Hall Co., 1992.} Olson, Mancur, The Logic of Collective Action. Public Goods and the Theory of Groups, Cambridge, Massachussetts, Harvard University Press, 1965 [trad. fr. Logique de l’Action Collective, Paris, Presses Universitaires de France, 1978].} Petracca, Mark P., The Politics of Interests. Interest Groups Transformed, Boulder, Westview Press, 1992.} Wooton, Graham, Interest Groups, Englewood Cliffs, Prentice-Hall, 1970.