Dyfyniad APA

Stewart, K. (2008). Microsoft Office Excel 2007: A professional approach. McGraw-Hill.

Dyfyniad Arddull Chicago

Stewart, Kathleen. Microsoft Office Excel 2007: A Professional Approach. New York: McGraw-Hill, 2008.

Dyfyniad MLA

Stewart, Kathleen. Microsoft Office Excel 2007: A Professional Approach. McGraw-Hill, 2008.

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