Citazione Stile APA (7a Edizione)
(1981). Prices of agricultural products and selected inputs in Europe and North America 1979/1980. United Nations.
Citazione stile Chigago Style (17a edizione)
Prices of Agricultural Products and Selected Inputs in Europe and North America 1979/1980. New York: United Nations, 1981.
Citatione MLA (9a ed.)
Prices of Agricultural Products and Selected Inputs in Europe and North America 1979/1980. United Nations, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.