Lua APA (7ú heag.)
Douglas, H. E. (2009). Science, policy, and the value-free ideal. University of Pittsburgh Press.
Lua i Stíl Chicago (17ú heag.)
Douglas, Heather E. Science, Policy, and the Value-free Ideal. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2009.
Lua MLA (9ú heag.)
Douglas, Heather E. Science, Policy, and the Value-free Ideal. University of Pittsburgh Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.