O'Leary, T. J., O'Leary, L. I., & Williams, B. K. (1995). McGraw-Hill computing essentials (Annual ed., 1995-1996.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)O'Leary, Timothy J., Linda I. O'Leary, agus Brian K. Williams. McGraw-Hill Computing Essentials. Annual ed., 1995-1996. New York: McGraw-Hill, 1995.
Lua MLA (8ú heag.)O'Leary, Timothy J., et al. McGraw-Hill Computing Essentials. Annual ed., 1995-1996. McGraw-Hill, 1995.
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