National food review Economics, Statistics, and Cooperatives Service, U.S. Department of Agriculture. [electronic resource].
Tohutoru Kātū Chicago (17th ed.)National Food Review Economics, Statistics, and Cooperatives Service, U.S. Department of Agriculture. [electronic Resource].
Tohutoro MLA (9th ed.)National Food Review Economics, Statistics, and Cooperatives Service, U.S. Department of Agriculture. [electronic Resource].
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