एपीए उद्धरण

Blum Richard. (2007). PostgreSQL 8 for Windowns. New York: McGraw -Hill.

शिकागो स्टाइल उद्धरण

Blum Richard. PostgreSQL 8 for Windowns. New York: McGraw -Hill, 2007.

एमएलए उद्धरण

Blum Richard. PostgreSQL 8 for Windowns. New York: McGraw -Hill, 2007.