United States Department of Agriculture. (1981). Will there be enough food. Washington, D.C: The Department.
शिकागो स्टाइल उद्धरणUnited States Department of Agriculture. Will There Be Enough Food. Washington, D.C: The Department, 1981.
एमएलए उद्धरणUnited States Department of Agriculture. Will There Be Enough Food. Washington, D.C: The Department, 1981.
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