APA引文

The United Nations University. (1993). The Role of the United Nations in the Twenty-First Century. The United Nations University.

芝加哥风格引文

The United Nations University. The Role of the United Nations in the Twenty-First Century. Japan: The United Nations University, 1993.

MLA引文

The United Nations University. The Role of the United Nations in the Twenty-First Century. The United Nations University, 1993.

警告：这些引文格式不一定是100％准确.