Não informado. (1946). Farm equipment retailing. National Retail Farm Equipment Association.
Citação do estilo Chicago (17ª ed.)Não informado. Farm Equipment Retailing. Washington: National Retail Farm Equipment Association, 1946.
Citação MLA (8ª ed.)Não informado. Farm Equipment Retailing. National Retail Farm Equipment Association, 1946.
警告：这些引文格式不一定是100％准确.