Prague, C. N., & Hammitt, J. E. (1987). dBase III plus programming: :Tips and techniques. BPB.
Chicago Style aipamenaPrague, Cary N., and James E. Hammitt. DBase III Plus Programming: :Tips and Techniques. Delhi: BPB, 1987.
MLA aipamenaPrague, Cary N., and James E. Hammitt. DBase III Plus Programming: :Tips and Techniques. BPB, 1987.
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