United Nations. (1964). Yearbook of the United Nations 1964. New York: Office of Public Information.
Trích dẫn kiểu ChicagoUnited Nations. Yearbook of the United Nations 1964. New York: Office of Public Information, 1964.
MLA引文United Nations. Yearbook of the United Nations 1964. New York: Office of Public Information, 1964.
警告:这些引文格式不一定是100%准确.