Scherp, J., & European Commission : Directorate-General for Economic and Financial Affairs. (1994). What does an economist need to know about the environment?: Approaches to accounting for the environment in statistical informations systems. Brussels- Belgium: European Comission: Directorate-General for Economic and Financial Affairs.
Παραπομπή Chicago StyleScherp, Jan., and European Commission : Directorate-General for Economic and Financial Affairs. What Does an Economist Need to Know About the Environment?: Approaches to Accounting for the Environment in Statistical Informations Systems. Brussels- Belgium: European Comission: Directorate-General for Economic and Financial Affairs, 1994.
Παραπομπή MLAScherp, Jan., and European Commission : Directorate-General for Economic and Financial Affairs. What Does an Economist Need to Know About the Environment?: Approaches to Accounting for the Environment in Statistical Informations Systems. Brussels- Belgium: European Comission: Directorate-General for Economic and Financial Affairs, 1994.