The United Nations University. (1993). The Role of the United Nations in the Twenty-First Century. The United Nations University.
Chicago-Zitierstil (17. Ausg.)The United Nations University. The Role of the United Nations in the Twenty-First Century. Japan: The United Nations University, 1993.
MLA-Zitierstil (9. Ausg.)The United Nations University. The Role of the United Nations in the Twenty-First Century. The United Nations University, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.