O'Leary, T. J., & O'Leary, L. I. (2012). Computing essentials 2012: Making IT work for you (International ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)O'Leary, Timothy J., agus Linda I. O'Leary. Computing Essentials 2012: Making IT Work for You. International ed. New York: McGraw-Hill, 2012.
Lua MLA (9ú heag.)O'Leary, Timothy J., agus Linda I. O'Leary. Computing Essentials 2012: Making IT Work for You. International ed. McGraw-Hill, 2012.
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