BEAM GARY. (1988). CLIPPER DBASE COMPILER APPLICATIONS DBASE IIIAND DBASE III PLUS. BPB PUBLICATIONS.
Čikaški stil citiranja (17. izdanje)BEAM GARY. CLIPPER DBASE COMPILER APPLICATIONS DBASE IIIAND DBASE III PLUS. DELHI: BPB PUBLICATIONS, 1988.
MLA način citiranja (9. izdanje)BEAM GARY. CLIPPER DBASE COMPILER APPLICATIONS DBASE IIIAND DBASE III PLUS. BPB PUBLICATIONS, 1988.
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