APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.