Dyfyniad APA

Sherwood, P. T., & Roe, P. G. (1978). Imported fill for earthworks: Case studies of the use of waste tips or borrow-pits. Materials Division, Highways Dept., Transport and Road Research Laboratory.

Dyfyniad Arddull Chicago

Sherwood, P. T., and P. G. Roe. Imported Fill for Earthworks: Case Studies of the Use of Waste Tips or Borrow-pits. Crowthorne, Berkshire: Materials Division, Highways Dept., Transport and Road Research Laboratory, 1978.

Dyfyniad MLA

Sherwood, P. T., and P. G. Roe. Imported Fill for Earthworks: Case Studies of the Use of Waste Tips or Borrow-pits. Materials Division, Highways Dept., Transport and Road Research Laboratory, 1978.

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