APA-referens

Helm, D. (2010). Economics and politics of climate change. Oxford University Press.

Chicago-stil citat

Helm, Dieter. Economics and Politics of Climate Change. Oxford University Press, 2010.

MLA-referens

Helm, Dieter. Economics and Politics of Climate Change. Oxford University Press, 2010.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.