Dyfyniad APA

National food review Economics, Statistics, and Cooperatives Service, U.S. Department of Agriculture. [electronic resource].

Dyfyniad Arddull Chicago

National Food Review Economics, Statistics, and Cooperatives Service, U.S. Department of Agriculture. [electronic Resource].

Dyfyniad MLA

National Food Review Economics, Statistics, and Cooperatives Service, U.S. Department of Agriculture. [electronic Resource].

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.