APA (7. basım) Alıntı

Helm, D., & Hepburn, C. (2011). The economics and politics of climate change. Oxford University Press.

Chicago Style (17. basım) Atıf

Helm, Dieter, ve Cameron Hepburn. The Economics and Politics of Climate Change. Oxford ; New York: Oxford University Press, 2011.

MLA (8th ed.) Atıf

Helm, Dieter, ve Cameron Hepburn. The Economics and Politics of Climate Change. Oxford University Press, 2011.