Douglas, H. E. (2009). Science, policy, and the value-free ideal. University of Pittsburgh Press.
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Chicago-čujuhus (17. p.)
Douglas, Heather E. Science, Policy, and the Value-free Ideal. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2009.
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MLA-čujuhus (9. p.)
Douglas, Heather E. Science, Policy, and the Value-free Ideal. University of Pittsburgh Press, 2009.
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