Dyfyniad APA

(1952). Soil Mechanics for Road Engineers. her majesty staionary office.

Dyfyniad Arddull Chicago

Soil Mechanics for Road Engineers. her majesty staionary office, 1952.

Dyfyniad MLA

Soil Mechanics for Road Engineers. her majesty staionary office, 1952.

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