Não informado. (2004). Farm Mechanization: A link between farming and engineering. Farm Journal.
Lua i Stíl Chicago (17ú heag.)Não informado. Farm Mechanization: A Link Between Farming and Engineering. London: Farm Journal, 2004.
Lua MLA (8ú heag.)Não informado. Farm Mechanization: A Link Between Farming and Engineering. Farm Journal, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.