Não informado. (1936). Agricultural Statistics. U.S. Department of Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Agricultural Statistics. Washington: U.S. Department of Agriculture, 1936.
MLA(8版)引用形式Não informado. Agricultural Statistics. U.S. Department of Agriculture, 1936.
警告: この引用は必ずしも正確ではありません.