Steel, E. W. (1960). Water supply and sewerage (4th ed.). McGraw-Hill.
Chicago-čujuhus (17. p.)Steel, Ernest. W. Water Supply and Sewerage. 4th ed. New York: McGraw-Hill, 1960.
MLA-čujuhus (9. p.)Steel, Ernest. W. Water Supply and Sewerage. 4th ed. McGraw-Hill, 1960.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.