Dyfyniad APA

Duke University. School of Engineering & Duke University. College of Engineering. Soil mechanics series. School of Engineering, Duke University.

Dyfyniad Arddull Chicago

Duke University. School of Engineering and Duke University. College of Engineering. Soil Mechanics Series. Durham, N.C.: School of Engineering, Duke University.

Dyfyniad MLA

Duke University. School of Engineering and Duke University. College of Engineering. Soil Mechanics Series. School of Engineering, Duke University.

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