एपीए उद्धरण

Couchman, J. J. (1999). Oracle certified professional DBA certification exam guide. Tata McGraw hill.

शिकागो स्टाइल उद्धरण

Couchman, Jason J. Oracle Certified Professional DBA Certification Exam Guide. New Delhi: Tata McGraw hill, 1999.

एमएलए उद्धरण

Couchman, Jason J. Oracle Certified Professional DBA Certification Exam Guide. Tata McGraw hill, 1999.