Houghton, J. T. (2009). Global warming: The complete briefing (Fourth edition.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Houghton, J. T. Global Warming: The Complete Briefing. Fourth edition. New York: Cambridge University Press, 2009.
Lua MLA (9ú heag.)Houghton, J. T. Global Warming: The Complete Briefing. Fourth edition. Cambridge University Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.