एपीए उद्धरण

Gupta, R. S. (2011). Principles of structural design: Wood, steel and concrete. CRC press.

शिकागो स्टाइल उद्धरण

Gupta, Ram S. Principles of Structural Design: Wood, Steel and Concrete. Boca ration: CRC press, 2011.

एमएलए उद्धरण

Gupta, Ram S. Principles of Structural Design: Wood, Steel and Concrete. CRC press, 2011.