APA
UNITED NATIONS(Statistical office of--) a. o., UNITED NATIONS(Statistical office of--) a. o., . (1956). Direction of international trade. New York: Statistical office of the united Nations.
Chicago
UNITED NATIONS(Statistical office of--) and others, UNITED NATIONS(Statistical office of--) and others, . 1956. Direction of international trade. New York: Statistical office of the united Nations.
Harvard
UNITED NATIONS(Statistical office of--) a. o., UNITED NATIONS(Statistical office of--) a. o., . (1956). Direction of international trade. New York: Statistical office of the united Nations.
MLA
UNITED NATIONS(Statistical office of--) and others, UNITED NATIONS(Statistical office of--) and others, . Direction of international trade. New York: Statistical office of the united Nations. 1956.
