Beskeen, D., & David Beskeen. (2006). Microsoft Office PowerPoint 2003, Illustrated Brief. Boston, MA: Cengage Learning, Inc.
Trích dẫn kiểu ChicagoBeskeen, David, và David Beskeen. Microsoft Office PowerPoint 2003, Illustrated Brief. Boston, MA: Cengage Learning, Inc, 2006.
MLA citiranjeBeskeen, David, và David Beskeen. Microsoft Office PowerPoint 2003, Illustrated Brief. Boston, MA: Cengage Learning, Inc, 2006.
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