King , N. (1997). Visual Foxpro 5.0 for windows. BPB.
Cita Chicago (17th ed.)King , Nelson. Visual Foxpro 5.0 for Windows. New Delhi: BPB, 1997.
Cita MLA (9th ed.)King , Nelson. Visual Foxpro 5.0 for Windows. BPB, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.