Não informado. (1981). Water engineering and management. Scranton Gillette Communications.
Chicago (17e ed.) BronvermeldingNão informado. Water Engineering and Management. Des Plaines, Ill: Scranton Gillette Communications, 1981.
MLA (8e ed.) BronvermeldingNão informado. Water Engineering and Management. Scranton Gillette Communications, 1981.
Let op: Deze citaties zijn niet altijd 100% accuraat.