O'Leary, T. J., & O'Leary, L. I. (2004). Computing today. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)O'Leary, Timothy J., agus Linda I. O'Leary. Computing Today. Boston: McGraw-Hill, 2004.
Lua MLA (8ú heag.)O'Leary, Timothy J., agus Linda I. O'Leary. Computing Today. McGraw-Hill, 2004.
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