APA
UNITED NATION CONFERENCE ON TRADE AND DEVELOPMENT, UNITED NATION CONFERENCE ON TRADE AND DEVELOPMENT, . (1978). Iron and steel industry. New: York United Naitons USA.
Chicago
UNITED NATION CONFERENCE ON TRADE AND DEVELOPMENT, UNITED NATION CONFERENCE ON TRADE AND DEVELOPMENT, . 1978. Iron and steel industry. New: York United Naitons USA.
Harvard
UNITED NATION CONFERENCE ON TRADE AND DEVELOPMENT, UNITED NATION CONFERENCE ON TRADE AND DEVELOPMENT, . (1978). Iron and steel industry. New: York United Naitons USA.
MLA
UNITED NATION CONFERENCE ON TRADE AND DEVELOPMENT, UNITED NATION CONFERENCE ON TRADE AND DEVELOPMENT, . Iron and steel industry. New: York United Naitons USA. 1978.