International Labour Organisation Programme of Industrial Activities. (1977). General Report: Metal Trades Committee. Geneva: International Labour Office.
استشهاد بنمط شيكاغوInternational Labour Organisation Programme of Industrial Activities. General Report: Metal Trades Committee. Geneva: International Labour Office, 1977.
MLA استشهادInternational Labour Organisation Programme of Industrial Activities. General Report: Metal Trades Committee. Geneva: International Labour Office, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.