O'Leary, T. J. (2004). Computing essentials 2004. Boston: McGraw-Hill.
Chicago Style aipamenaO'Leary, Timothy J. Computing Essentials 2004. Boston: McGraw-Hill, 2004.
MLA aipamenaO'Leary, Timothy J. Computing Essentials 2004. Boston: McGraw-Hill, 2004.
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