Não informado. (2004). Farm Mechanization: A link between farming and engineering. Farm Journal.
Chicago-referens (17:e uppl.)Não informado. Farm Mechanization: A Link Between Farming and Engineering. London: Farm Journal, 2004.
MLA-referens (8:e uppl.)Não informado. Farm Mechanization: A Link Between Farming and Engineering. Farm Journal, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.