Couchman, J. (2001). OCP introduction to Oracle9i: SQL Exam Guide. New York: Osborne/McGraw - Hill.
Čikaški stil citiranjaCouchman, Jason. OCP Introduction to Oracle9i: SQL Exam Guide. New York: Osborne/McGraw - Hill, 2001.
MLA način citiranjaCouchman, Jason. OCP Introduction to Oracle9i: SQL Exam Guide. New York: Osborne/McGraw - Hill, 2001.
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