Dyfyniad APA

International Labour Organisation Programme of Industrial Activities. (1977). General Report: Metal Trades Committee. Geneva: International Labour Office.

Dyfyniad Arddull Chicago

International Labour Organisation Programme of Industrial Activities. General Report: Metal Trades Committee. Geneva: International Labour Office, 1977.

Dyfyniad MLA

International Labour Organisation Programme of Industrial Activities. General Report: Metal Trades Committee. Geneva: International Labour Office, 1977.

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