Dyfyniad APA

(1971). Japan's scheme of generalised tariff preferences 1971. Tokyo: Japan Tariff Association.

Dyfyniad Arddull Chicago

Japan's Scheme of Generalised Tariff Preferences 1971. Tokyo: Japan Tariff Association, 1971.

Dyfyniad MLA

Japan's Scheme of Generalised Tariff Preferences 1971. Tokyo: Japan Tariff Association, 1971.

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