Dyfyniad APA

International Labour Office & ebrary, Inc. (2005). Safety and health in ports. International Labour Office.

Dyfyniad Arddull Chicago

International Labour Office and Inc ebrary. Safety and Health in Ports. Geneva: International Labour Office, 2005.

Dyfyniad MLA

International Labour Office and Inc ebrary. Safety and Health in Ports. International Labour Office, 2005.

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