Konig, H., & European Commission : Directorate-General for Economic and Financial Affairs. (1985). Seasonal and Cyclical Variations in Relationship among Expectations, Plans and Realizations in Business Test Surveys. Brussels- Belgium: European Comission: Directorate-General for Economic and Financial Affairs.
Παραπομπή Chicago StyleKonig, H., and European Commission : Directorate-General for Economic and Financial Affairs. Seasonal and Cyclical Variations in Relationship Among Expectations, Plans and Realizations in Business Test Surveys. Brussels- Belgium: European Comission: Directorate-General for Economic and Financial Affairs, 1985.
Παραπομπή MLAKonig, H., and European Commission : Directorate-General for Economic and Financial Affairs. Seasonal and Cyclical Variations in Relationship Among Expectations, Plans and Realizations in Business Test Surveys. Brussels- Belgium: European Comission: Directorate-General for Economic and Financial Affairs, 1985.