Rudolph, L., Sharp, D. S., Samuels, S., Perkins, C., & Rosenberg, J. (1990). Environmental and biological monitoring for lead exposure in California workplaces.
Chicago-tyylinen lähdeviittausRudolph, L., D S. Sharp, S. Samuels, C. Perkins, ja J. Rosenberg. Environmental and Biological Monitoring for Lead Exposure in California Workplaces. 1990.
MLA-viiteRudolph, L., et al. Environmental and Biological Monitoring for Lead Exposure in California Workplaces. 1990.
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