एपीए उद्धरण

Gupta, B. V. R. (2010). Engineering Drawing. I K International publishing house.

शिकागो स्टाइल उद्धरण

Gupta, B V R. Engineering Drawing. New Delhi: I K International publishing house, 2010.

एमएलए उद्धरण

Gupta, B V R. Engineering Drawing. I K International publishing house, 2010.