JONES EDWARD. (1985). USING DBASE IIITM. OSBORNE MCGRAW-HILL.
Cita Chicago (17th ed.)JONES EDWARD. USING DBASE IIITM. CALIFORNIA: OSBORNE MCGRAW-HILL, 1985.
Cita MLA (9th ed.)JONES EDWARD. USING DBASE IIITM. OSBORNE MCGRAW-HILL, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.