KASHEF, A. I. (1986). Ground Water Engineering Abdel-aziz Ismail Kashef. McGraw-Hill.
Dyfyniad Arddull ChicagoKASHEF, Abdel-Aziz Ismail. Ground Water Engineering Abdel-aziz Ismail Kashef. McGraw-Hill, 1986.
Dyfyniad MLAKASHEF, Abdel-Aziz Ismail. Ground Water Engineering Abdel-aziz Ismail Kashef. McGraw-Hill, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.