Dyfyniad APA

(2001). Civil engineering practice in the twenty-first centuryknowledge and skills for design and managementNeil S. Grigg [et.al.]. ASCE.

Dyfyniad Arddull Chicago

Civil Engineering Practice in the Twenty-first Centuryknowledge and Skills for Design and ManagementNeil S. Grigg [et.al.]. ASCE, 2001.

Dyfyniad MLA

Civil Engineering Practice in the Twenty-first Centuryknowledge and Skills for Design and ManagementNeil S. Grigg [et.al.]. ASCE, 2001.

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