Não informado. (2004). Farm Mechanization: A link between farming and engineering. Farm Journal.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Farm Mechanization: A Link Between Farming and Engineering. London: Farm Journal, 2004.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Farm Mechanization: A Link Between Farming and Engineering. Farm Journal, 2004.
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