Dyfyniad APA

CERNICA, J. N. (1995). Geotechnical engineering: Soil mechanics. John Wiley and Sons.

Dyfyniad Arddull Chicago

CERNICA, John N. Geotechnical Engineering: Soil Mechanics. New York: John Wiley and Sons, 1995.

Dyfyniad MLA

CERNICA, John N. Geotechnical Engineering: Soil Mechanics. John Wiley and Sons, 1995.

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