Couchman. (2000). Oracle certified professional DBO certification exam guide. McGraw-Hill.
Chicago Style (17th ed.) CitationCouchman. Oracle Certified Professional DBO Certification Exam Guide. New York: McGraw-Hill, 2000.
MLA (9th ed.) CitationCouchman. Oracle Certified Professional DBO Certification Exam Guide. McGraw-Hill, 2000.
Warning: These citations may not always be 100% accurate.