Dyfyniad APA

World Information Service on Energy (WISE). WISE: World Information Service on Energy. Bruxelles: WISE.

Dyfyniad Arddull Chicago

World Information Service on Energy (WISE). WISE: World Information Service on Energy. Bruxelles: WISE.

Dyfyniad MLA

World Information Service on Energy (WISE). WISE: World Information Service on Energy. Bruxelles: WISE.

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