APA (7 वां संस्करण) प्रशस्ति पत्र
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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Duer, Henrik, Camilla Rosenhagen, और Ovre Ritnagel. A Comparative Analysis of Taxes and CO2 Emissions from Passenger Cars in the Nordic Countries. Copenhagen: Nordic Council of Ministers, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Duer, Henrik, et al. A Comparative Analysis of Taxes and CO2 Emissions from Passenger Cars in the Nordic Countries. Nordic Council of Ministers, 2011.
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