एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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