Smith , M. J. (1970). Soil Mechanics (2nd ed.). Macdonald and evans.
Dyfyniad Arddull ChicagoSmith , M. J. Soil Mechanics. 2nd ed. London: Macdonald and evans, 1970.
Dyfyniad MLASmith , M. J. Soil Mechanics. 2nd ed. Macdonald and evans, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.