Eckenfelder, W. W. (1970). Water quality engineering for practicing engineers. Barnes & Noble.
Chicago (17e ed.) BronvermeldingEckenfelder, W. Wesley. Water Quality Engineering for Practicing Engineers. New York: Barnes & Noble, 1970.
MLA (9e ed.) BronvermeldingEckenfelder, W. Wesley. Water Quality Engineering for Practicing Engineers. Barnes & Noble, 1970.
Let op: Deze citaties zijn niet altijd 100% accuraat.