Dyfyniad APA

(2007). Professor Teaches Office 2007. California: Individual Software.

Dyfyniad Arddull Chicago

Professor Teaches Office 2007. California: Individual Software, 2007.

Dyfyniad MLA

Professor Teaches Office 2007. California: Individual Software, 2007.

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