(1979). Appropriate industrial technology for agricultural machinery and implements. United Nations.
Citazione stile Chigago Style (17a edizione)Appropriate Industrial Technology for Agricultural Machinery and Implements. New York: United Nations, 1979.
Citatione MLA (9a ed.)Appropriate Industrial Technology for Agricultural Machinery and Implements. United Nations, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.