Department of economic and Social Devolopment,Statistics Division. (1992). Industrial statistics yearbook 1990. UN.
Чикаго маягийн жагсаалтDepartment of economic and Social Devolopment,Statistics Division. Industrial Statistics Yearbook 1990. New York: UN, 1992.
MLA ишлэлDepartment of economic and Social Devolopment,Statistics Division. Industrial Statistics Yearbook 1990. UN, 1992.
Warning: These citations may not always be 100% accurate.