De Giovanni, B. Divenire della ragione moderna, 1981 t.p. (R. Esposito) cover p. 4 (Roberto Esposito)
Wikipedia, viewed June 25, 2013 (Roberto Esposito is an Italian philosopher who is important for his work in biopolitics; born in Naples, 1950; vice director of the Istituto Italiano di Scienze Umane) http://en.wikipedia.org/wiki/Roberto_Esposito