Cita APA

ebrary, Inc, & Helm, D. (2005). Climate-change policy. Oxford University Press.

Citación estilo Chicago

ebrary, Inc, and Dieter Helm. Climate-change Policy. Oxford: Oxford University Press, 2005.

Cita MLA

ebrary, Inc, and Dieter Helm. Climate-change Policy. Oxford University Press, 2005.

Warning: These citations may not always be 100% accurate.