ULLMAN J.D. (1992). PRINCIPAL OF DATA BASE SYSTEM. GALGOTIA PUB.
Chicago-čujuhus (17. p.)ULLMAN J.D. PRINCIPAL OF DATA BASE SYSTEM. GALGOTIA PUB, 1992.
MLA-čujuhus (9. p.)ULLMAN J.D. PRINCIPAL OF DATA BASE SYSTEM. GALGOTIA PUB, 1992.
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