Dyfyniad APA
ebrary, Inc, Wilson, G. W., Clifton, A. W., & Barbour, S. L. (1999). The emergence of unsaturated soil mechanics. NRC Research Press.
Dyfyniad Arddull Chicago
ebrary, Inc, G. W. Wilson, A. W. Clifton, and S. L. Barbour. The Emergence of Unsaturated Soil Mechanics. Ottawa: NRC Research Press, 1999.
Dyfyniad MLA
ebrary, Inc, et al. The Emergence of Unsaturated Soil Mechanics. NRC Research Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.