एपीए उद्धरण

Bird. (2010). Basic Engineering Mathematics 5th ed. Elsevier.

शिकागो स्टाइल उद्धरण

Bird. Basic Engineering Mathematics 5th Ed. Elsevier, 2010.

एमएलए उद्धरण

Bird. Basic Engineering Mathematics 5th Ed. Elsevier, 2010.