(3) Sherry R. Arnstein, “A Ladder of Citizen Participation”, Journal of the American Planning Association, University of California, Los Ángeles,...
(4) Joan Subirats, “If Participatory Democracy is the answer, what is the question?”, Eurotopia, nº 5, Bandau (Alemania), 2008 (www.tni.org/eurotopia).
(5) Leonardo Avritzer y Boaventura Santos, “Para ampliar el canon democrático”, http://www.eurozine.com/articles/article_2003-11-03-santos-es.html