(1961). U.N., Secretary General-Science and technology for development. U.N. Publications.
Cita Chicago (17th ed.)U.N., Secretary General-Science and Technology for Development. New York: U.N. Publications, 1961.
Cita MLA (9th ed.)U.N., Secretary General-Science and Technology for Development. U.N. Publications, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.