एपीए उद्धरण

Krishna Rao, T. (2010). Design of machine elements. I.K International.

शिकागो स्टाइल उद्धरण

Krishna Rao, T. Design of Machine Elements. New Delhi: I.K International, 2010.

एमएलए उद्धरण

Krishna Rao, T. Design of Machine Elements. I.K International, 2010.