Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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