Dyfyniad APA
Lambe, T. W., & Whitman, R. V. (1979). Soil mechanics, SI version. Wiley.
Dyfyniad Arddull Chicago
Lambe, T. William, and Robert V. Whitman. Soil Mechanics, SI Version. New York: Wiley, 1979.
Dyfyniad MLA
Lambe, T. William, and Robert V. Whitman. Soil Mechanics, SI Version. Wiley, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.