Não informado. (1937). Fats and oils situation. U.S. Department of Agriculture, Bureau of Agricultural Economics.
Chicago-viite (17. p.)Não informado. Fats and Oils Situation. Washington: U.S. Department of Agriculture, Bureau of Agricultural Economics, 1937.
MLA-viite (8. p.)Não informado. Fats and Oils Situation. U.S. Department of Agriculture, Bureau of Agricultural Economics, 1937.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.