Não informado. (2011). Farm Journal's Implement and Tractor. Farm Journal Media.
Lua i Stíl Chicago (17ú heag.)Não informado. Farm Journal's Implement and Tractor. México: Farm Journal Media, 2011.
Lua MLA (8ú heag.)Não informado. Farm Journal's Implement and Tractor. Farm Journal Media, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.