Dyfyniad APA

Organistion for Economic Co-operation and Development. (1989). Information technologies in education: The quest for quality software. Paris: Organistion for Economic Co-operation and Development.

Dyfyniad Arddull Chicago

Organistion for Economic Co-operation and Development. Information Technologies in Education: The Quest for Quality Software. Paris: Organistion for Economic Co-operation and Development, 1989.

Dyfyniad MLA

Organistion for Economic Co-operation and Development. Information Technologies in Education: The Quest for Quality Software. Paris: Organistion for Economic Co-operation and Development, 1989.

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