Dyfyniad APA

PEURIFOY, R. (1989). Estimating Construction Costs R.l.peurifoy And G.d.oberlender. McGraw-Hill.

Dyfyniad Arddull Chicago

PEURIFOY, R.L. Estimating Construction Costs R.l.peurifoy And G.d.oberlender. McGraw-Hill, 1989.

Dyfyniad MLA

PEURIFOY, R.L. Estimating Construction Costs R.l.peurifoy And G.d.oberlender. McGraw-Hill, 1989.

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