Shelly, G. B. (1997). Discovering computers: World wide web enhanced. ITP.
Lua i Stíl Chicago (17ú heag.)Shelly, Gary B. Discovering Computers: World Wide Web Enhanced. Cambridge: ITP, 1997.
Lua MLA (9ú heag.)Shelly, Gary B. Discovering Computers: World Wide Web Enhanced. ITP, 1997.
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