INTERNATIONAL EDUCATIONS. (1987). USING DBASE III PLUS TM. MCGRAW-HILL.
Čikaški stil citiranja (17. izdanje)INTERNATIONAL EDUCATIONS. USING DBASE III PLUS TM. NEW YORK: MCGRAW-HILL, 1987.
MLA način citiranja (9. izdanje)INTERNATIONAL EDUCATIONS. USING DBASE III PLUS TM. MCGRAW-HILL, 1987.
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