FOX SOFTWARE. (1990). FOXPRO: USER`S GUIDE. FOX SOFTWARE.
Cita Chicago (17th ed.)FOX SOFTWARE. FOXPRO: USER`S GUIDE. FOX SOFTWARE, 1990.
Cita MLA (9th ed.)FOX SOFTWARE. FOXPRO: USER`S GUIDE. FOX SOFTWARE, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.