Não informado. (1938). Agricultural Finance Review. U.S. Department of Agriculture, Economic Research Service.
Citação do estilo Chicago (17ª ed.)Não informado. Agricultural Finance Review. Washington: U.S. Department of Agriculture, Economic Research Service, 1938.
Citação MLA (8ª ed.)Não informado. Agricultural Finance Review. U.S. Department of Agriculture, Economic Research Service, 1938.
Atenció: Aquestes cites poden no estar 100% correctes.