Christianson, G. (1999). Greenhouse: The 200 years story of gobal warming. Universities Press.
Čikaški stil citiranja (17. izdanje)Christianson, Gale. Greenhouse: The 200 Years Story of Gobal Warming. Hyderabad: Universities Press, 1999.
MLA način citiranja (9. izdanje)Christianson, Gale. Greenhouse: The 200 Years Story of Gobal Warming. Universities Press, 1999.
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