COWART ROBERT. (1986). ABC`S OF DBASE 111 PLUS. BPB PUBLICATIONS.
Cita Chicago (17th ed.)COWART ROBERT. ABC`S OF DBASE 111 PLUS. DELHI: BPB PUBLICATIONS, 1986.
Cita MLA (9th ed.)COWART ROBERT. ABC`S OF DBASE 111 PLUS. BPB PUBLICATIONS, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.