1. Altman, D. (2011): “Competition, Political”, en B. Badie, D. Berg-Schlosser y L. Morlino, eds., International Encyclopedia of Political Science, Thousand Oaks, SAGE Publications, pp. 360-364. http://dx.doi.org/10.4135/9781412959636.n87
2. Bogdanor, V., ed., (1987): Democracy and elections: electoral systems and their political consequences, Cambridge, Cambridge University Press.
3. Chrystal, W. G. (1975): “Nazi party election films”, Cinema Journal, 15, pp. 29-47.
4. Costa, A. (2009a): “Eleiçoes e ditaduras. Um paradoxo estável-comentario”, en A. Freire, ed., Eleiçoes e sistemas eleitorais no século XX portugués: uma perspectiva histórica e comparativa, Lisboa, Ediçoes Colibri, pp. 209-212.
5. Costa, A., ed., (2009b): Ruling elites and decision-making in fascist era dictatorships, New York, Columbia University Press.