Dyfyniad APA

(1999). Microsoft PowerPoint 2000 step by step. Redmond, WA: Microsoft Press.

Dyfyniad Arddull Chicago

Microsoft PowerPoint 2000 Step By Step. Redmond, WA: Microsoft Press, 1999.

Dyfyniad MLA

Microsoft PowerPoint 2000 Step By Step. Redmond, WA: Microsoft Press, 1999.

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