APA (7th ed.) Zitazioa

Houghton, J. T. (2009). Global warming: The complete briefing (Fourth edition.). Cambridge University Press.

Chicago Style (17th ed.) Zitazioa

Houghton, J. T. Global Warming: The Complete Briefing. Fourth edition. New York: Cambridge University Press, 2009.

MLA (9th ed.) Zitazioa

Houghton, J. T. Global Warming: The Complete Briefing. Fourth edition. Cambridge University Press, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.