O'Leary, T. J., & O'Leary, L. I. (2010). Computing essentials 2010 (Complete ed.). McGraw Hill Higher Education.
Lua i Stíl Chicago (17ú heag.)O'Leary, Timothy J., agus Linda I. O'Leary. Computing Essentials 2010. Complete ed. Boston: McGraw Hill Higher Education, 2010.
Lua MLA (9ú heag.)O'Leary, Timothy J., agus Linda I. O'Leary. Computing Essentials 2010. Complete ed. McGraw Hill Higher Education, 2010.
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