APA-Zitierstil (7. Ausg.)

Não informado. Update. Department of Health and Environmental Control.

Chicago-Zitierstil (17. Ausg.)

Não informado. Update. Columbia, SC: Department of Health and Environmental Control.

MLA-Zitierstil (8. Ausg.)

Não informado. Update. Department of Health and Environmental Control.

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