Williamson, J. (1994). The Political economy of policy reform. Institute for International Economics.
Chicago-referens (17:e uppl.)Williamson, John. The Political Economy of Policy Reform. Washington, D.C: Institute for International Economics, 1994.
MLA-referens (9:e uppl.)Williamson, John. The Political Economy of Policy Reform. Institute for International Economics, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.