एपीए उद्धरण

Bernbach, B. (2009). Software and Systems requirement Engineering in Practice. Tata Mc Graw Hill.

शिकागो स्टाइल उद्धरण

Bernbach, Brain. Software and Systems Requirement Engineering in Practice. New Delhi: Tata Mc Graw Hill, 2009.

एमएलए उद्धरण

Bernbach, Brain. Software and Systems Requirement Engineering in Practice. Tata Mc Graw Hill, 2009.