APA Баримт

United nations. (1991). The steel market in 1990. UN.

Чикаго маягийн жагсаалт

United nations. The Steel Market in 1990. New York: UN, 1991.

MLA ишлэл

United nations. The Steel Market in 1990. UN, 1991.

Warning: These citations may not always be 100% accurate.