Steel, E. W. (1960). Water supply and sewerage (4th ed.). McGraw-Hill.
Čikaški stil citiranja (17. izdanje)Steel, Ernest. W. Water Supply and Sewerage. 4th ed. New York: McGraw-Hill, 1960.
MLA način citiranja (9. izdanje)Steel, Ernest. W. Water Supply and Sewerage. 4th ed. McGraw-Hill, 1960.
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