National Institute of Environmental Health Sciences. (1972). Environmental health perspectives: EHP. National Institute of Environmental Health Sciences, National Institutes of Health, Dept. of Health, Education and Welfare.
Chicago-tyylinen lähdeviittausNational Institute of Environmental Health Sciences. Environmental Health Perspectives: EHP. Research Triangle Park, N.C.: National Institute of Environmental Health Sciences, National Institutes of Health, Dept. of Health, Education and Welfare, 1972.
MLA-viiteNational Institute of Environmental Health Sciences. Environmental Health Perspectives: EHP. National Institute of Environmental Health Sciences, National Institutes of Health, Dept. of Health, Education and Welfare, 1972.
Harvard-tyylinen lähdeviittausNational Institute of Environmental Health Sciences. 1972. Environmental health perspectives: EHP. Research Triangle Park, N.C.: National Institute of Environmental Health Sciences, National Institutes of Health, Dept. of Health, Education and Welfare.
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