APA (7th ed.) Zitazioa

Ekins, P. (1996). Environmental taxes and charges national experiences and plans. European Foundation for the improvement of living and Working conditions.

Chicago Style (17th ed.) Zitazioa

Ekins, Paul. Environmental Taxes and Charges National Experiences and Plans. Dublin: European Foundation for the improvement of living and Working conditions, 1996.

MLA (9th ed.) Zitazioa

Ekins, Paul. Environmental Taxes and Charges National Experiences and Plans. European Foundation for the improvement of living and Working conditions, 1996.