Não informado. Environmental Pollution and Control. U.S. Department of Commerce, National Technical Information Service.
Čikaški stil citiranja (17. izdanje)Não informado. Environmental Pollution and Control. Springfield, Va: U.S. Department of Commerce, National Technical Information Service.
MLA način citiranja (8. izdanje)Não informado. Environmental Pollution and Control. U.S. Department of Commerce, National Technical Information Service.
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