Dyfyniad APA

Organisation for Economic Co-operation and Development. (1981). Information activities, electronics and telecommunications technologies. Paris: Organisation for Economic Co-operation and Development.

Dyfyniad Arddull Chicago

Organisation for Economic Co-operation and Development. Information Activities, Electronics and Telecommunications Technologies. Paris: Organisation for Economic Co-operation and Development, 1981.

Dyfyniad MLA

Organisation for Economic Co-operation and Development. Information Activities, Electronics and Telecommunications Technologies. Paris: Organisation for Economic Co-operation and Development, 1981.

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