APA引文

United Nations. (1961). Yearbook of the United Nations 1961. New York: Office of Public Information.

Trích dẫn kiểu Chicago

United Nations. Yearbook of the United Nations 1961. New York: Office of Public Information, 1961.

MLA引文

United Nations. Yearbook of the United Nations 1961. New York: Office of Public Information, 1961.

警告：這些引文格式不一定是100％准確.