O'Leary, T. J. (2008). Microsoft Office PowerPoint 2007. Boston: McGraw-Hill.
Trích dẫn kiểu ChicagoO'Leary, Timothy J. Microsoft Office PowerPoint 2007. Boston: McGraw-Hill, 2008.
Deismireacht MLAO'Leary, Timothy J. Microsoft Office PowerPoint 2007. Boston: McGraw-Hill, 2008.
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