1. Birkland, T.A.: An Introduction to the Policy Process: Theories, Concepts, and Models of Public, 2nd edn. M.E. Sharpe, Armonk (2005)
2. Hill, M.: The Policy Process in the Modern State. Prentice-Hall, London (1997)
3. Parsons, W.: Public Policy. Edward Elgar, Cheltenham (1995)
4. Hofferbert, R.: The Study of Public Policy. Bobbs-Merrill, Indianapolis (1974)
5. Macintosh, A., Renton, A.: Argument visualisation to support democratic decision-making. In: Proceedings of the eChallenges e-2004 Conference, Vienna, Austria (2004)