Dyfyniad APA

Edu World Journal. University of Pitesti, Faculty of Educational Sciences.

Dyfyniad Arddull Chicago

Edu World Journal. University of Pitesti, Faculty of Educational Sciences.

Dyfyniad MLA

Edu World Journal. University of Pitesti, Faculty of Educational Sciences.

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