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