United States. Environmental Protection Agency. Risk Assessment Forum. (2005). Guidance on selecting age groups for monitoring and assessing childhood exposures to environmental contaminants. U.S. Environmental Protection Agency, Risk Assessment Forum.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Risk Assessment Forum. Guidance on Selecting Age Groups for Monitoring and Assessing Childhood Exposures to Environmental Contaminants. Washington, DC: U.S. Environmental Protection Agency, Risk Assessment Forum, 2005.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Risk Assessment Forum. Guidance on Selecting Age Groups for Monitoring and Assessing Childhood Exposures to Environmental Contaminants. U.S. Environmental Protection Agency, Risk Assessment Forum, 2005.