Cita APA (7a ed.)

Ruda, J. M. (1983). The purposes and principles of the United Nations charter: A legislative history of the preamble, article 1 and article 2. Centro de Estudios Internacionales.

Cita Chicago Style (17a ed.)

Ruda, José María. The Purposes and Principles of the United Nations Charter: A Legislative History of the Preamble, Article 1 and Article 2. Buenos Aires: Centro de Estudios Internacionales, 1983.

Cita MLA (8a ed.)

Ruda, José María. The Purposes and Principles of the United Nations Charter: A Legislative History of the Preamble, Article 1 and Article 2. Centro de Estudios Internacionales, 1983.