1. Edith Stokey and Richard Zeckhauser, A Primer for Policy Analysis, (New York: Norton, 1973), 211ff.
2. James Trefil, “Closing in on Creation”, Smithsonian Magazine, May, 1933, 33–51.
3. Robert Behn, Quick Analysis for Busy Decisionmakers, ( New York: Basic Books, 1982 ), 56.
4. Richard Elmore, “Backward Mapping: Implementation Research and Policy Decisions”, Political Science Quarterly, Vol. gk, no. k (Winter 1979–80 ), 601–616.
5. Alan Rosenthal, “Legislative Behavior and Legislative Oversight”, Legislative Studies Quarterly, Vol. 6, no. 1, (February 1981), 115–131.