BeckUWillmsJ (2004) Conversations with Ulrich Beck. Cambridge: Polity Press.
2.
GalstonWA (2005) The Practice of Liberal Pluralism. Cambridge: Cambridge University Press.
3.
L’EtangJPieczkaM (1996) Paradigms, systems theory and public relations. In: Critical Perspective in Public Relations. London: International Thomson Business Press, pp.124–156.