Dyfyniad APA

Stewart, K. (2011). Microsoft Office Excel 2010: A lesson approach, complete. McGraw-Hill.

Dyfyniad Arddull Chicago

Stewart, Kathleen. Microsoft Office Excel 2010: A Lesson Approach, Complete. New York: McGraw-Hill, 2011.

Dyfyniad MLA

Stewart, Kathleen. Microsoft Office Excel 2010: A Lesson Approach, Complete. McGraw-Hill, 2011.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.