1. Aimé, O.2003. “Una prospectiva ética per il XXI secolo: il contributo di Paul Ricoeur.” In La responsabilitá dell'educatore professionale[Professional Educator's Responsibility], coordinated by R. Chiarle, M. Pidello, and L. Ronda,75–92. Roma: Carrocci Editore.
2. Arendt, H.1968. Between Past and Future: Eight Exercises in Political Thought. New York: Viking Press.
3. Bourdieu, P.1979. La distinction. Critique social du jugement[Distinction: A Social Critique of the Judgement of Taste]. Paris: Éd. de Minuit.