Dyfyniad APA
Douglas, H. E. (2009). Science, policy, and the value-free ideal. University of Pittsburgh Press.
Dyfyniad Arddull Chicago
Douglas, Heather E. Science, Policy, and the Value-free Ideal. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2009.
Dyfyniad MLA
Douglas, Heather E. Science, Policy, and the Value-free Ideal. University of Pittsburgh Press, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.