Shelly, G. B., Cashman, T. J., & Vermaat, M. (2008). Essential introduction to computers and how to purchase a personal computer (7th ed.). Thomson Course Technology.
Παραπομπή σε μορφή Chicago (17η εκδ.)Shelly, Gary B., Thomas J. Cashman, και Misty Vermaat. Essential Introduction to Computers and How to Purchase a Personal Computer. 7th ed. Boston, Mass: Thomson Course Technology, 2008.
Παραπομπή σε μορφή MLA (9th εκδ.)Shelly, Gary B., et al. Essential Introduction to Computers and How to Purchase a Personal Computer. 7th ed. Thomson Course Technology, 2008.
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