Shelly, G. B., & Cashman, T. J. (1996). Using computers: A gateway to information World Wide Web edition. Boyd & Fraser.
Lua i Stíl Chicago (17ú heag.)Shelly, Gary B., agus Thomas J. Cashman. Using Computers: A Gateway to Information World Wide Web Edition. Albany: Boyd & Fraser, 1996.
Lua MLA (9ú heag.)Shelly, Gary B., agus Thomas J. Cashman. Using Computers: A Gateway to Information World Wide Web Edition. Boyd & Fraser, 1996.
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