Não informado. (1937). Fats and oils situation. U.S. Department of Agriculture, Bureau of Agricultural Economics.
Chicago-referens (17:e uppl.)Não informado. Fats and Oils Situation. Washington: U.S. Department of Agriculture, Bureau of Agricultural Economics, 1937.
MLA-referens (8:e uppl.)Não informado. Fats and Oils Situation. U.S. Department of Agriculture, Bureau of Agricultural Economics, 1937.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.
