APA
Estados Unidos. Agency for Toxic Substances and Disease Registry A., . (1995). Piridina. Atlanta: Estados Unidos. Department of Health and Human Services.
Chicago
Estados Unidos. Agency for Toxic Substances and Disease Registry ATSDR, . 1995. Piridina. Atlanta: Estados Unidos. Department of Health and Human Services.
Harvard
Estados Unidos. Agency for Toxic Substances and Disease Registry A., . (1995). Piridina. Atlanta: Estados Unidos. Department of Health and Human Services.
MLA
Estados Unidos. Agency for Toxic Substances and Disease Registry ATSDR, . Piridina. Atlanta: Estados Unidos. Department of Health and Human Services. 1995.