SIMPSON ALAN. (1985). UNDERSTANDING DBASE III. BPB PUBLICATIONS.
Chicago-čujuhus (17. p.)SIMPSON ALAN. UNDERSTANDING DBASE III. DEL MDRS HYDRABAD: BPB PUBLICATIONS, 1985.
MLA-čujuhus (9. p.)SIMPSON ALAN. UNDERSTANDING DBASE III. BPB PUBLICATIONS, 1985.
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