ORILIA LAWRENCE S. (1982). INTRODUCTION TO BUSINESS DATA PROCESSING (2ND.). MCGRAW-HILL.
Chicago-čujuhus (17. p.)ORILIA LAWRENCE S. INTRODUCTION TO BUSINESS DATA PROCESSING. 2ND. SINGAPORE: MCGRAW-HILL, 1982.
MLA-čujuhus (9. p.)ORILIA LAWRENCE S. INTRODUCTION TO BUSINESS DATA PROCESSING. 2ND. MCGRAW-HILL, 1982.
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