Dyfyniad APA

Melton,Beth, & Others. (2013). Microsoft office professional 2013. PHI.

Dyfyniad Arddull Chicago

Melton,Beth, and Others. Microsoft Office Professional 2013. Delhi: PHI, 2013.

Dyfyniad MLA

Melton,Beth, and Others. Microsoft Office Professional 2013. PHI, 2013.

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