Couchman, J. J. (1999). Oracle certified professional DBA certification exam guide. Tata McGraw hill.
Čikaški stil citiranjaCouchman, Jason J. Oracle Certified Professional DBA Certification Exam Guide. New Delhi: Tata McGraw hill, 1999.
MLA način citiranjaCouchman, Jason J. Oracle Certified Professional DBA Certification Exam Guide. Tata McGraw hill, 1999.
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