United nations. (1992). Steel product ouality and maximum utilization of scrap: ECE steel series 1992. UN.
Чикаго маягийн жагсаалтUnited nations. Steel Product Ouality and Maximum Utilization of Scrap: ECE Steel Series 1992. Geneva: UN, 1992.
MLA ишлэлUnited nations. Steel Product Ouality and Maximum Utilization of Scrap: ECE Steel Series 1992. UN, 1992.
Warning: These citations may not always be 100% accurate.