Dyfyniad APA

Bell, F. G. (1993). Engineering treatment of soils. E & FN Spon.

Dyfyniad Arddull Chicago

Bell, F G. Engineering Treatment of Soils. London: E & FN Spon, 1993.

Dyfyniad MLA

Bell, F G. Engineering Treatment of Soils. E & FN Spon, 1993.

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