एपीए उद्धरण

Gedam,Ratnakar. (1999). Techno-economics of steel plants. Deep & Deep Publications Pvt.Ltd.

शिकागो स्टाइल उद्धरण

Gedam,Ratnakar. Techno-economics of Steel Plants. New Delhi: Deep & Deep Publications Pvt.Ltd, 1999.

एमएलए उद्धरण

Gedam,Ratnakar. Techno-economics of Steel Plants. Deep & Deep Publications Pvt.Ltd, 1999.