Dyfyniad APA

(1983). Economic impact. Research: Path to technological progress. Washington.

Dyfyniad Arddull Chicago

Economic Impact. Research: Path to Technological Progress. Washington, 1983.

Dyfyniad MLA

Economic Impact. Research: Path to Technological Progress. Washington, 1983.

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