Dyfyniad APA

International Labour Organisation Programme of Industrial Activities. (1975). Iron and Steel ommittee. Geneva: International Labour Office.

Dyfyniad Arddull Chicago

International Labour Organisation Programme of Industrial Activities. Iron and Steel Ommittee. Geneva: International Labour Office, 1975.

Dyfyniad MLA

International Labour Organisation Programme of Industrial Activities. Iron and Steel Ommittee. Geneva: International Labour Office, 1975.

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