Dyfyniad APA

Lu, N. (2004). Unsaturated soil mechanics. John Wiley & Sons.

Dyfyniad Arddull Chicago

Lu, Ning. Unsaturated Soil Mechanics. John Wiley & Sons, 2004.

Dyfyniad MLA

Lu, Ning. Unsaturated Soil Mechanics. John Wiley & Sons, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.