Dyfyniad APA

Nordell, R. (2014). Microsoft Office 2013: In practice. New York, NY: McGraw-Hill/Irwin.

Dyfyniad Arddull Chicago

Nordell, Randy. Microsoft Office 2013: In Practice. New York, NY: McGraw-Hill/Irwin, 2014.

Dyfyniad MLA

Nordell, Randy. Microsoft Office 2013: In Practice. New York, NY: McGraw-Hill/Irwin, 2014.

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