APA aipamena

Worldwatch institute. (2009). State of the world 2009: Confronting climate change (26.).

Chicago Style aipamena

Worldwatch institute. State of the World 2009: Confronting Climate Change. 26. Earthscan, London, 2009.

MLA aipamena

Worldwatch institute. State of the World 2009: Confronting Climate Change. 26. 2009.