एपीए उद्धरण

Oppel, A. (2005). SQL demystified. McGraw-Hill/Osborne.

शिकागो स्टाइल उद्धरण

Oppel, Andy. SQL Demystified. New York: McGraw-Hill/Osborne, 2005.

एमएलए उद्धरण

Oppel, Andy. SQL Demystified. McGraw-Hill/Osborne, 2005.