Dyfyniad APA

(1985). Construction Cost Control (Rev ed.). American society of Civil Engineers.

Dyfyniad Arddull Chicago

Construction Cost Control. Rev ed. New York: American society of Civil Engineers, 1985.

Dyfyniad MLA

Construction Cost Control. Rev ed. American society of Civil Engineers, 1985.

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