United Nations. Dept. of Public Information. (1993). Image & reality: Questions and answers about the United Nations : what it does, how it works, who pays for it. United Nations Dept. of Public Information.
芝加哥风格引文United Nations. Dept. of Public Information. Image & Reality: Questions and Answers About the United Nations : What It Does, How It Works, Who Pays for It. New York: United Nations Dept. of Public Information, 1993.
MLA引文United Nations. Dept. of Public Information. Image & Reality: Questions and Answers About the United Nations : What It Does, How It Works, Who Pays for It. United Nations Dept. of Public Information, 1993.
警告：这些引文格式不一定是100％准确.