Underdahl, B. (1993). Using quattro pro 5.0 for Windows (Special edition.). Que.
Cita Chicago (17th ed.)Underdahl, Brian. Using Quattro Pro 5.0 for Windows. Special edition. Carmel, Ind: Que, 1993.
Cita MLA (9th ed.)Underdahl, Brian. Using Quattro Pro 5.0 for Windows. Special edition. Que, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.