Organization for Economic Cooperation and Development. (1973). Supply control in agriculture. s.n.
Chicago-referens (17:e uppl.)Organization for Economic Cooperation and Development. Supply Control in Agriculture. [Paris: s.n, 1973.
MLA-referens (9:e uppl.)Organization for Economic Cooperation and Development. Supply Control in Agriculture. s.n, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.