Babbitt, H. E., & Doland, J. J. (1939). Water supply engineering (3d ed.). McGraw-Hill.
Chicago (17e ed.) BronvermeldingBabbitt, Harold E., en James Joseph Doland. Water Supply Engineering. 3d ed. New York: McGraw-Hill, 1939.
MLA (8e ed.) BronvermeldingBabbitt, Harold E., en James Joseph Doland. Water Supply Engineering. 3d ed. McGraw-Hill, 1939.
Let op: Deze citaties zijn niet altijd 100% accuraat.