Minkel, D. (2007). Global warming. Thomson/Gale/Greenhaven Press.
Lua i Stíl Chicago (17ú heag.)Minkel, Dan. Global Warming. Detroit: Thomson/Gale/Greenhaven Press, 2007.
Lua MLA (8ú heag.)Minkel, Dan. Global Warming. Thomson/Gale/Greenhaven Press, 2007.
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