Dyfyniad APA

419708 Schofield, A., & Wroth, P. (1968). Critical state soil mechanics. New York : McGraw-Hill.

Dyfyniad Arddull Chicago

419708 Schofield, Andrew, and Peter Wroth. Critical State Soil Mechanics. New York : McGraw-Hill, 1968.

Dyfyniad MLA

419708 Schofield, Andrew, and Peter Wroth. Critical State Soil Mechanics. New York : McGraw-Hill, 1968.

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