O'Leary, T. J. (2007). Computing essentials 2007. Boston: McGraw-Hill Irwin.
Trích dẫn kiểu ChicagoO'Leary, Timothy J. Computing Essentials 2007. Boston: McGraw-Hill Irwin, 2007.
MLA CitationO'Leary, Timothy J. Computing Essentials 2007. Boston: McGraw-Hill Irwin, 2007.
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