World Trade Organization. (2009). WTO agreements series: Agriculture. World Trade Organization.
Chicago-referens (17:e uppl.)World Trade Organization. WTO Agreements Series: Agriculture. Geneve: World Trade Organization, 2009.
MLA-referens (9:e uppl.)World Trade Organization. WTO Agreements Series: Agriculture. World Trade Organization, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.