United Nations Conference on Trade and Development. (2011). UNCTAD annual report 2011. United Nations.
Cita Chicago (17th ed.)United Nations Conference on Trade and Development. UNCTAD Annual Report 2011. Geneva: United Nations, 2011.
Cita MLA (9th ed.)United Nations Conference on Trade and Development. UNCTAD Annual Report 2011. United Nations, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.