Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.