APA
United nations (. o. o., United nations (. o. o., . (1961). Standard international trade classification, Revised. New York: Statistical office of the United Nations.
Chicago
United nations (Statistical office of-), United nations (Statistical office of-), . 1961. Standard international trade classification, Revised. New York: Statistical office of the United Nations.
Harvard
United nations (. o. o., United nations (. o. o., . (1961). Standard international trade classification, Revised. New York: Statistical office of the United Nations.
MLA
United nations (Statistical office of-), United nations (Statistical office of-), . Standard international trade classification, Revised. New York: Statistical office of the United Nations. 1961.
