Couchman, J. S. (1998). Oracle certified professional DBA certification exam guide. Berkeley, Calif: Osbourne McGraw-Hill.
Stile di citazione ChicagoCouchman, Jason S. Oracle Certified Professional DBA Certification Exam Guide. Berkeley, Calif: Osbourne McGraw-Hill, 1998.
Citazione MLACouchman, Jason S. Oracle Certified Professional DBA Certification Exam Guide. Berkeley, Calif: Osbourne McGraw-Hill, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.