APA (7th ed.) Zitazioa

United States. Department of Agriculture & Hayes, J. (1981). Will there be enough food? The Department.

Chicago Style (17th ed.) Zitazioa

United States. Department of Agriculture eta Jack Hayes. Will There Be Enough Food? [Washington]: The Department, 1981.

MLA (9th ed.) Zitazioa

United States. Department of Agriculture eta Jack Hayes. Will There Be Enough Food? The Department, 1981.

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