United Nations Conference on Trade and Development. (2012). Commodities at a glance: Special issue on food security. United Nations.
Chicago-viite (17. p.)United Nations Conference on Trade and Development. Commodities at a Glance: Special Issue on Food Security. New York: United Nations, 2012.
MLA-viite (9. p.)United Nations Conference on Trade and Development. Commodities at a Glance: Special Issue on Food Security. United Nations, 2012.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.