D.B.Willcock. (1983). Water engineering. New York: I.E.B.Limited.
Trích dẫn kiểu ChicagoD.B.Willcock. Water Engineering. New York: I.E.B.Limited, 1983.
MLA CitationD.B.Willcock. Water Engineering. New York: I.E.B.Limited, 1983.
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