Oppel, A. J. (2004). Relational databases: Principles and fundamentls. Dreamtech.
Čikaški stil citiranjaOppel, Andrew J. Relational Databases: Principles and Fundamentls. New Delhi: Dreamtech, 2004.
MLA način citiranjaOppel, Andrew J. Relational Databases: Principles and Fundamentls. Dreamtech, 2004.
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