APA (7th ed.) Zitazioa

Duer, H., Rosenhagen, C., & Ritnagel, O. (2011). A comparative analysis of taxes and CO2 emissions from passenger cars in the Nordic countries. Nordic Council of Ministers.

Chicago Style (17th ed.) Zitazioa

Duer, Henrik, Camilla Rosenhagen, eta Ovre Ritnagel. A Comparative Analysis of Taxes and CO2 Emissions from Passenger Cars in the Nordic Countries. Copenhagen: Nordic Council of Ministers, 2011.

MLA (9th ed.) Zitazioa

Duer, Henrik, et al. A Comparative Analysis of Taxes and CO2 Emissions from Passenger Cars in the Nordic Countries. Nordic Council of Ministers, 2011.