Shelly, G. B., & Cashman, T. J. (1980). Introduction to computers and data processing. Anaheim Publishing Co.
Cita Chicago (17th ed.)Shelly, Gary B., i Thomas J. Cashman. Introduction to Computers and Data Processing. Fullerton: Anaheim Publishing Co, 1980.
Cita MLA (9th ed.)Shelly, Gary B., i Thomas J. Cashman. Introduction to Computers and Data Processing. Anaheim Publishing Co, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.