LONG, L. (2002). Computers information technology in perspective ed.10. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)LONG, Larry. Computers Information Technology in Perspective Ed.10. Prentice Hall, 2002.
Lua MLA (8ú heag.)LONG, Larry. Computers Information Technology in Perspective Ed.10. Prentice Hall, 2002.
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