Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.