Houghton, J. T. (2009). Global warming: The complete briefing (4th ed.). Cambridge University Press.
Chicago Style aipamenaHoughton, J. T. Global Warming: The Complete Briefing. 4th ed. Cambridge ; New York: Cambridge University Press, 2009.
MLA aipamenaHoughton, J. T. Global Warming: The Complete Briefing. 4th ed. Cambridge University Press, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.