Dyfyniad APA

(2002). Journal of Construction Engineering and Management 2002. ASCE.

Dyfyniad Arddull Chicago

Journal of Construction Engineering and Management 2002. ASCE, 2002.

Dyfyniad MLA

Journal of Construction Engineering and Management 2002. ASCE, 2002.

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