Dyfyniad APA

Schnaid, F., & Houlsby, G. (1990). CALIBRATION CHAMBER TESTS OF THE CONE-PRESSUREMETER IN SAND. Thomas Telford.

Dyfyniad Arddull Chicago

Schnaid, F., and G. Houlsby. CALIBRATION CHAMBER TESTS OF THE CONE-PRESSUREMETER IN SAND. Thomas Telford, 1990.

Dyfyniad MLA

Schnaid, F., and G. Houlsby. CALIBRATION CHAMBER TESTS OF THE CONE-PRESSUREMETER IN SAND. Thomas Telford, 1990.

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