United Nations Conference on Trade and Development. (2001). Environment. United Nations.
Cita Chicago Style (17a ed.)United Nations Conference on Trade and Development. Environment. Geneva ; New York: United Nations, 2001.
Cita MLA (8a ed.)United Nations Conference on Trade and Development. Environment. United Nations, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.