APA-referens (7:e uppl.)
Hoel, M. (2009). Climate policy: Costs and design: a survey of some recent numerical studies. Nordic Council of Ministers.
Chicago-referens (17:e uppl.)
Hoel, Michael. Climate Policy: Costs and Design: A Survey of Some Recent Numerical Studies. Copenhagen: Nordic Council of Ministers, 2009.
MLA-referens (9:e uppl.)
Hoel, Michael. Climate Policy: Costs and Design: A Survey of Some Recent Numerical Studies. Nordic Council of Ministers, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.