Economic Commission For EUROPE. (1993). The chemical industry in 1992: Annual Review. United Nations.
Чикаго маягийн жагсаалтEconomic Commission For EUROPE. The Chemical Industry in 1992: Annual Review. New York,Geneva: United Nations, 1993.
MLA ишлэлEconomic Commission For EUROPE. The Chemical Industry in 1992: Annual Review. United Nations, 1993.
Warning: These citations may not always be 100% accurate.