Ekins, P. (1996). Environmental taxes and charges national experiences and plans. European Foundation for the improvement of living and Working conditions.
Citazione stile Chigago Style (17a edizione)Ekins, Paul. Environmental Taxes and Charges National Experiences and Plans. Dublin: European Foundation for the improvement of living and Working conditions, 1996.
Citatione MLA (9a ed.)Ekins, Paul. Environmental Taxes and Charges National Experiences and Plans. European Foundation for the improvement of living and Working conditions, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.