Lua APA (7ú heag.)
ebrary, Inc, & May, R. M. (2008). The Britannica guide to climate change: An unbiased guide to the key issue of our age. Robinson ; Running Press.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Robert M. May. The Britannica Guide to Climate Change: An Unbiased Guide to the Key Issue of Our Age. London : Philadelphia: Robinson ; Running Press, 2008.
Lua MLA (9ú heag.)
ebrary, Inc, agus Robert M. May. The Britannica Guide to Climate Change: An Unbiased Guide to the Key Issue of Our Age. Robinson ; Running Press, 2008.
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