International Labour Organisation Programme of Industrial Activities. (1975). Iron and Steel ommittee. Geneva: International Labour Office.
শিকাগো স্টাইলে সাইটেশনInternational Labour Organisation Programme of Industrial Activities. Iron and Steel Ommittee. Geneva: International Labour Office, 1975.
এমএলএ সাইটেশনInternational Labour Organisation Programme of Industrial Activities. Iron and Steel Ommittee. Geneva: International Labour Office, 1975.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.