SIMPSON ALAN. (1991). DBASE IV 1.1 PROGRAMMER`S DESKTOP REFERENCE. TECH PUBLICATIONS.
Chicago-čujuhus (17. p.)SIMPSON ALAN. DBASE IV 1.1 PROGRAMMER`S DESKTOP REFERENCE. SINGAPORE: TECH PUBLICATIONS, 1991.
MLA-čujuhus (9. p.)SIMPSON ALAN. DBASE IV 1.1 PROGRAMMER`S DESKTOP REFERENCE. TECH PUBLICATIONS, 1991.
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