Dyfyniad APA

Dayaratnam, P. (1987). Prestressed Concrete Structures (5th ed.).

Dyfyniad Arddull Chicago

Dayaratnam, Pasala. Prestressed Concrete Structures. 5th ed. New Delhi, 1987.

Dyfyniad MLA

Dayaratnam, Pasala. Prestressed Concrete Structures. 5th ed. 1987.

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