Couchman, J. J. (1999). Oracle certified professional DBA certification exam guide. Tata McGraw hill.
Stile di citazione ChicagoCouchman, Jason J. Oracle Certified Professional DBA Certification Exam Guide. New Delhi: Tata McGraw hill, 1999.
Citazione MLACouchman, Jason J. Oracle Certified Professional DBA Certification Exam Guide. Tata McGraw hill, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.