Flast, R. H. (1983). 54 VisiCalc models: Finance-statistics-mathematics. National Book Store.
Cita Chicago (17th ed.)Flast, Robert H. 54 VisiCalc Models: Finance-statistics-mathematics. Manila: National Book Store, 1983.
Cita MLA (9th ed.)Flast, Robert H. 54 VisiCalc Models: Finance-statistics-mathematics. National Book Store, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.