2Sabatier, Paul A. "An advocacy Coalition Framework of Policy Change and the Role of Policy-Oriented Learning Theory", Policy Science, Volume 21. 1998.
3Lester, James P. & Stewart, Joseph JR. Public Policy: An Evolutionary Approach. New York: West Publishing Company, 1996, p. 66-88.
4Sabatier, Paul A & Hank C. Jenkins-Smith. Policy change and learning: An Advocacy Coalition Approach. Westview Press,1993, p. 18.