Παραπομπή APA

United States Department of Agriculture. (1981). Will there be enough food. Washington, D.C: The Department.

Παραπομπή Chicago Style

United States Department of Agriculture. Will There Be Enough Food. Washington, D.C: The Department, 1981.

Παραπομπή MLA

United States Department of Agriculture. Will There Be Enough Food. Washington, D.C: The Department, 1981.

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