National food review Economics, Statistics, and Cooperatives Service, U.S. Department of Agriculture. [electronic resource].
Chicago-Zitierstil (17. Ausg.)National Food Review Economics, Statistics, and Cooperatives Service, U.S. Department of Agriculture. [electronic Resource].
MLA-Zitierstil (9. Ausg.)National Food Review Economics, Statistics, and Cooperatives Service, U.S. Department of Agriculture. [electronic Resource].
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.