Dyfyniad APA

Das, B. M. (2001). Principles of geotechnical engineering. Australia: Brooks/Cole.

Dyfyniad Arddull Chicago

Das, Braja M. Principles of Geotechnical Engineering. Australia: Brooks/Cole, 2001.

Dyfyniad MLA

Das, Braja M. Principles of Geotechnical Engineering. Australia: Brooks/Cole, 2001.

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