Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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