Schwedt, G. (2001). The essential guide to environmental chemistry. John Wiley and Sons Ltd.
Lua i Stíl Chicago (17ú heag.)Schwedt, Georg. The Essential Guide to Environmental Chemistry. West Sussex, U.K: John Wiley and Sons Ltd, 2001.
Lua MLA (9ú heag.)Schwedt, Georg. The Essential Guide to Environmental Chemistry. John Wiley and Sons Ltd, 2001.
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