Não informado. (2004). Farm machinery and equipment. National Retail Farm Equipment Association.
Čikaški stil citiranja (17. izdanje)Não informado. Farm Machinery and Equipment. Washington: National Retail Farm Equipment Association, 2004.
MLA način citiranja (8. izdanje)Não informado. Farm Machinery and Equipment. National Retail Farm Equipment Association, 2004.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.