Dyfyniad APA

(1983). Economic impact. New technologies and employment. Washington.

Dyfyniad Arddull Chicago

Economic Impact. New Technologies and Employment. Washington, 1983.

Dyfyniad MLA

Economic Impact. New Technologies and Employment. Washington, 1983.

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