Dyfyniad APA

(1976). The chemical industries and the working environment. Geneva: International Labour Office.

Dyfyniad Arddull Chicago

The Chemical Industries and the Working Environment. Geneva: International Labour Office, 1976.

Dyfyniad MLA

The Chemical Industries and the Working Environment. Geneva: International Labour Office, 1976.

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