एपीए उद्धरण

Bird. (2010). Higher Engineering Mathematics 6th ed. Elsevier.

शिकागो स्टाइल उद्धरण

Bird. Higher Engineering Mathematics 6th Ed. Elsevier, 2010.

एमएलए उद्धरण

Bird. Higher Engineering Mathematics 6th Ed. Elsevier, 2010.