एपीए उद्धरण

O'Leary, T. J. (2004). Computing essentials 2004. Boston: McGraw-Hill/Irwin.

शिकागो स्टाइल उद्धरण

O'Leary, Timothy J. Computing Essentials 2004. Boston: McGraw-Hill/Irwin, 2004.

एमएलए उद्धरण

O'Leary, Timothy J. Computing Essentials 2004. Boston: McGraw-Hill/Irwin, 2004.