International Labour Organisation Programme of Industrial Activities. (1975). Iron and Steel ommittee. Geneva: International Labour Office.
استشهاد بنمط شيكاغوInternational Labour Organisation Programme of Industrial Activities. Iron and Steel Ommittee. Geneva: International Labour Office, 1975.
MLA استشهادInternational Labour Organisation Programme of Industrial Activities. Iron and Steel Ommittee. Geneva: International Labour Office, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.