Não informado. (2004). Farm machinery and equipment. National Retail Farm Equipment Association.
Chicago-Zitierstil (17. Ausg.)Não informado. Farm Machinery and Equipment. Washington: National Retail Farm Equipment Association, 2004.
MLA-Zitierstil (8. Ausg.)Não informado. Farm Machinery and Equipment. National Retail Farm Equipment Association, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.