Não informado. (1913). Journal of agricultural research. U.S. Department of Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Journal of Agricultural Research. Washington: U.S. Department of Agriculture, 1913.
MLA(8版)引用形式Não informado. Journal of Agricultural Research. U.S. Department of Agriculture, 1913.
警告: この引用は必ずしも正確ではありません.