Barkan, D. (1962). Dynamics of bases and foundations. Mcgraw-hill.
Dyfyniad Arddull ChicagoBarkan, D.D. Dynamics of Bases and Foundations. America: Mcgraw-hill, 1962.
Dyfyniad MLABarkan, D.D. Dynamics of Bases and Foundations. Mcgraw-hill, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.