Dyfyniad APA

McFedries, P. (2013). Teach yourself visually complete Excel 2013. Indianapolis, IN: John Wiley & Sons, Inc.

Dyfyniad Arddull Chicago

McFedries, Paul. Teach Yourself Visually Complete Excel 2013. Indianapolis, IN: John Wiley & Sons, Inc, 2013.

Dyfyniad MLA

McFedries, Paul. Teach Yourself Visually Complete Excel 2013. Indianapolis, IN: John Wiley & Sons, Inc, 2013.

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