Dyfyniad APA

Mays, L. W. (2011). Water resources engineering second edition. John Wiley & Sons.

Dyfyniad Arddull Chicago

Mays, Larry W. Water Resources Engineering Second Edition. John Wiley & Sons, 2011.

Dyfyniad MLA

Mays, Larry W. Water Resources Engineering Second Edition. John Wiley & Sons, 2011.

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