Cita APA

William S David. (1990). Computing fundamentals dBASE IV. Redwood City, California: Benjamins and Cummings.

Chicago Style Citation

William S David. Computing Fundamentals DBASE IV. Redwood City, California: Benjamins and Cummings, 1990.

Cita MLA

William S David. Computing Fundamentals DBASE IV. Redwood City, California: Benjamins and Cummings, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.