Ulrike, M., Dierx, A., Ilzkovitz, F., & European Commission : Directorate-General for Economic and Financial Affairs. (2008). The effectiveness and efficiency of public spending. Brussels- Belgium: European Comission: Directorate-General for Economic and Financial Affairs.
Παραπομπή Chicago StyleUlrike, Mandl., Adriaan Dierx, Fabienne Ilzkovitz, and European Commission : Directorate-General for Economic and Financial Affairs. The Effectiveness and Efficiency of Public Spending. Brussels- Belgium: European Comission: Directorate-General for Economic and Financial Affairs, 2008.
Παραπομπή MLAUlrike, Mandl., Adriaan Dierx, Fabienne Ilzkovitz, and European Commission : Directorate-General for Economic and Financial Affairs. The Effectiveness and Efficiency of Public Spending. Brussels- Belgium: European Comission: Directorate-General for Economic and Financial Affairs, 2008.