APA-Zitierstil (7. Ausg.)

Não informado. Plant Immigrants. U.S. Department of Agriculture, Bureau of Plant Industry.

Chicago-Zitierstil (17. Ausg.)

Não informado. Plant Immigrants. Washington: U.S. Department of Agriculture, Bureau of Plant Industry.

MLA-Zitierstil (8. Ausg.)

Não informado. Plant Immigrants. U.S. Department of Agriculture, Bureau of Plant Industry.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.