Impe Van, W. F. (1993). Deep Foundations On Bored and Auger Piles: BAP II. Balkema, A. A.
Dyfyniad Arddull ChicagoImpe Van, W. F. Deep Foundations On Bored and Auger Piles: BAP II. Rotterdam: Balkema, A. A, 1993.
Dyfyniad MLAImpe Van, W. F. Deep Foundations On Bored and Auger Piles: BAP II. Balkema, A. A, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.