Glau, G. R. (1986). Business graphics with the IBM PC/XT/AT. Dow Jones-Irwin.
Cita Chicago (17th ed.)Glau, Gregory R. Business Graphics with the IBM PC/XT/AT. Homewood, Ill: Dow Jones-Irwin, 1986.
Cita MLA (9th ed.)Glau, Gregory R. Business Graphics with the IBM PC/XT/AT. Dow Jones-Irwin, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.