CRAIG R,F, & CRAIG R,F. (1992). Soil Mechanics R.f. Craig. Chapman And Hall.
Dyfyniad Arddull ChicagoCRAIG R,F, and CRAIG R,F. Soil Mechanics R.f. Craig. Chapman And Hall, 1992.
Dyfyniad MLACRAIG R,F, and CRAIG R,F. Soil Mechanics R.f. Craig. Chapman And Hall, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.