APA(7版)引用形式

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.