APA
Estados Unidos. Agency for Toxic Substances and Disease Registry A., . (1999). Plomo. Atlanta: Estados Unidos. Department of Health and Human Services.
Chicago
Estados Unidos. Agency for Toxic Substances and Disease Registry ATSDR, . 1999. Plomo. Atlanta: Estados Unidos. Department of Health and Human Services.
Harvard
Estados Unidos. Agency for Toxic Substances and Disease Registry A., . (1999). Plomo. Atlanta: Estados Unidos. Department of Health and Human Services.
MLA
Estados Unidos. Agency for Toxic Substances and Disease Registry ATSDR, . Plomo. Atlanta: Estados Unidos. Department of Health and Human Services. 1999.