Highland, H. J. (1984). Protecting your microcomputer system. John Wiley and Sons.
Cita Chicago (17th ed.)Highland, Harold Joseph. Protecting Your Microcomputer System. John Wiley and Sons, 1984.
Cita MLA (9th ed.)Highland, Harold Joseph. Protecting Your Microcomputer System. John Wiley and Sons, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.