Shelly, G. B., Cashman, T. J., & Vermaat, M. E. (2005). Discovering computers 2006: A gateway to information ; web enhanced ; complete. Thomson Course Technology.
Lua i Stíl Chicago (17ú heag.)Shelly, Gary B., Thomas J. Cashman, agus Misty E. Vermaat. Discovering Computers 2006: A Gateway to Information ; Web Enhanced ; Complete. Boston, Massachusetts: Thomson Course Technology, 2005.
Lua MLA (8ú heag.)Shelly, Gary B., et al. Discovering Computers 2006: A Gateway to Information ; Web Enhanced ; Complete. Thomson Course Technology, 2005.
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