Beetsma, R. M. W. J., Ploeg, F. v. d., & European Commission : Directorate-General for Economic and Financial Affairs. (2007). The political economy of public investment. Brussels- Belgium: European Comission: Directorate-General for Economic and Financial Affairs.
Παραπομπή Chicago StyleBeetsma, Roel M. W. J., Frederick van der Ploeg, and European Commission : Directorate-General for Economic and Financial Affairs. The Political Economy of Public Investment. Brussels- Belgium: European Comission: Directorate-General for Economic and Financial Affairs, 2007.
Παραπομπή MLABeetsma, Roel M. W. J., Frederick van der Ploeg, and European Commission : Directorate-General for Economic and Financial Affairs. The Political Economy of Public Investment. Brussels- Belgium: European Comission: Directorate-General for Economic and Financial Affairs, 2007.