Thomsen, F. L. (1951). Agricultural Marketing (1st edition.). McGraw-Hill.
Cita Chicago Style (17a ed.)Thomsen, Frederick Lundy. Agricultural Marketing. 1st edition. New York: McGraw-Hill, 1951.
Cita MLA (8a ed.)Thomsen, Frederick Lundy. Agricultural Marketing. 1st edition. McGraw-Hill, 1951.
Precaución: Estas citas no son 100% exactas.