Deismireacht APA

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

Trích dẫn kiểu Chicago

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

Deismireacht MLA

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

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