एपीए उद्धरण

T. A. Ahuja and G.S.Birdi. (1978). Fundamentals of building construction. Dhanpat Rai.

शिकागो स्टाइल उद्धरण

T. A. Ahuja and G.S.Birdi. Fundamentals of Building Construction. New Delhi: Dhanpat Rai, 1978.

एमएलए उद्धरण

T. A. Ahuja and G.S.Birdi. Fundamentals of Building Construction. Dhanpat Rai, 1978.