Casassas, David, y Irkus Larrinaga. «Pettit, Philip (1993). The Common Mind: An Essay on Psychology, Society and Politics. (1997). Republicanism: A Theory of Freedom and Government. (2001). A Theory of Freedom: From the Psychology to the Politics of Agency». Papers. Revista De Sociologia, vol. 80, abril de 2006, pp. 291-4, doi:10.5565/rev/papers/v80n0.1833.