एपीए उद्धरण

Gopal, T. V. (2003). Open source software. Scitech.

शिकागो स्टाइल उद्धरण

Gopal, T V. Open Source Software. Chennai: Scitech, 2003.

एमएलए उद्धरण

Gopal, T V. Open Source Software. Scitech, 2003.