Roeger, W., & European Commission : Directorate-General for Economic and Financial Affairs. (2001). The contribution of information and communication technologies to growth in europe and the US: A macroeconomic analysis. Brussels-Belgium: European Comission: Directorate-General for Economic and Financial Affairs.
Παραπομπή Chicago StyleRoeger, Werner., and European Commission : Directorate-General for Economic and Financial Affairs. The Contribution of Information and Communication Technologies to Growth in Europe and the US: A Macroeconomic Analysis. Brussels-Belgium: European Comission: Directorate-General for Economic and Financial Affairs, 2001.
Παραπομπή MLARoeger, Werner., and European Commission : Directorate-General for Economic and Financial Affairs. The Contribution of Information and Communication Technologies to Growth in Europe and the US: A Macroeconomic Analysis. Brussels-Belgium: European Comission: Directorate-General for Economic and Financial Affairs, 2001.