Wuhs, Steve. «Ruth Berins Collier, Paths Toward Democracy: The Working Class and Elites in Western Europe and South America, NY, Cambridge University Press, 1999, 232p». Política y gobierno 8, no. 1 (abril 15, 2001): 226–229. Accedido octubre 13, 2026. http://www.politicaygobierno.cide.edu/index.php/pyg/article/view/405.