US Department of Agriculture. (1956). Agricultural marketing. U.S. Department of Agriculture, Agricultural Marketing Service.
Chicago-Zitierstil (17. Ausg.)US Department of Agriculture. Agricultural Marketing. Washington: U.S. Department of Agriculture, Agricultural Marketing Service, 1956.
MLA-Zitierstil (8. Ausg.)US Department of Agriculture. Agricultural Marketing. U.S. Department of Agriculture, Agricultural Marketing Service, 1956.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.