Dyfyniad APA

(1975). Economic life and the export industries. Swiss Office for the Development of Trade.

Dyfyniad Arddull Chicago

Economic Life and the Export Industries. Lausanne: Swiss Office for the Development of Trade, 1975.

Dyfyniad MLA

Economic Life and the Export Industries. Swiss Office for the Development of Trade, 1975.

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