Steel, E. W. (1960). Water supply and sewerage (4th ed.). McGraw-Hill.
Chicagoスタイル(17版)引用形式Steel, Ernest. W. Water Supply and Sewerage. 4th ed. New York: McGraw-Hill, 1960.
MLA(9版)引用形式Steel, Ernest. W. Water Supply and Sewerage. 4th ed. McGraw-Hill, 1960.
警告: この引用は必ずしも正確ではありません.