Dyfyniad APA

Houlsby, G., & Withers, N. (1988). ANALYSIS OF THE CONE PRESSUREMETER TEST IN CLAY.

Dyfyniad Arddull Chicago

Houlsby, G., and N. Withers. ANALYSIS OF THE CONE PRESSUREMETER TEST IN CLAY. 1988.

Dyfyniad MLA

Houlsby, G., and N. Withers. ANALYSIS OF THE CONE PRESSUREMETER TEST IN CLAY. 1988.

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