D.B.Willcock. (1983). Water engineering. New York: I.E.B.Limited.
Chicago Style CitationD.B.Willcock. Water Engineering. New York: I.E.B.Limited, 1983.
Cita MLAD.B.Willcock. Water Engineering. New York: I.E.B.Limited, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.