DINGES, R. (1982). Natural Systems For Water Pollution Control Ray Dinges. Van Nostrand Reinhold Co.
Čikaški stil citiranja (17. izdanje)DINGES, Ray. Natural Systems For Water Pollution Control Ray Dinges. Van Nostrand Reinhold Co, 1982.
MLA način citiranja (8. izdanje)DINGES, Ray. Natural Systems For Water Pollution Control Ray Dinges. Van Nostrand Reinhold Co, 1982.
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