International Labour Organisation Programme of Industrial Activities. (1975). Iron and Steel ommittee. Geneva: International Labour Office.
Παραπομπή Chicago StyleInternational Labour Organisation Programme of Industrial Activities. Iron and Steel Ommittee. Geneva: International Labour Office, 1975.
Παραπομπή MLAInternational Labour Organisation Programme of Industrial Activities. Iron and Steel Ommittee. Geneva: International Labour Office, 1975.
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