Food and Agriculture Organization of the United Nations. (1985). Multiple farm use of agricultural machinery. Food and Agriculture Organisation of the United Nations.
Lua i Stíl Chicago (17ú heag.)Food and Agriculture Organization of the United Nations. Multiple Farm Use of Agricultural Machinery. Rome: Food and Agriculture Organisation of the United Nations, 1985.
Lua MLA (9ú heag.)Food and Agriculture Organization of the United Nations. Multiple Farm Use of Agricultural Machinery. Food and Agriculture Organisation of the United Nations, 1985.
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