SMITH, A. (1990). Materials Of Construction R.c Smith, Ck. Andreas. McGraw-Hill.
Dyfyniad Arddull ChicagoSMITH, Andreas. Materials Of Construction R.c Smith, Ck. Andreas. McGraw-Hill, 1990.
Dyfyniad MLASMITH, Andreas. Materials Of Construction R.c Smith, Ck. Andreas. McGraw-Hill, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.