Dyfyniad APA

Major air pollution problems: The Japanese. Organzaition for Economics Co-operation and Development.

Dyfyniad Arddull Chicago

Major Air Pollution Problems: The Japanese. Organzaition for Economics Co-operation and Development.

Dyfyniad MLA

Major Air Pollution Problems: The Japanese. Organzaition for Economics Co-operation and Development.

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