United Nations Conference on Trade and Development. (1998). World investment report. United Nations.
Cita Chicago (17th ed.)United Nations Conference on Trade and Development. World Investment Report. New York: United Nations, 1998.
Cita MLA (8th ed.)United Nations Conference on Trade and Development. World Investment Report. United Nations, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.