Não informado. (1938). Agricultural Finance Review. U.S. Department of Agriculture, Economic Research Service.
Chicago-referens (17:e uppl.)Não informado. Agricultural Finance Review. Washington: U.S. Department of Agriculture, Economic Research Service, 1938.
MLA-referens (8:e uppl.)Não informado. Agricultural Finance Review. U.S. Department of Agriculture, Economic Research Service, 1938.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.