Floyd, N. A. (1991). Essentials of information processing (3rd ed.). Irwin.
Cita Chicago (17th ed.)Floyd, Nancy A. Essentials of Information Processing. 3rd ed. Homewood, Ill: Irwin, 1991.
Cita MLA (9th ed.)Floyd, Nancy A. Essentials of Information Processing. 3rd ed. Irwin, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.