Dyfyniad APA

ROSEN, H. J. (1981). Construction Specifications Writing [principles Of Precedures] Harold J.rosen. Johns Wiley & Sons.

Dyfyniad Arddull Chicago

ROSEN, Harold J. Construction Specifications Writing [principles Of Precedures] Harold J.rosen. Johns Wiley & Sons, 1981.

Dyfyniad MLA

ROSEN, Harold J. Construction Specifications Writing [principles Of Precedures] Harold J.rosen. Johns Wiley & Sons, 1981.

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