Dyfyniad APA

World Health Organization & World Health Organization. Methyl ethyl ketone.

Dyfyniad Arddull Chicago

World Health Organization and World Health Organization. Methyl Ethyl Ketone.

Dyfyniad MLA

World Health Organization and World Health Organization. Methyl Ethyl Ketone.

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