Campbell, J. L., & Pederson, O. K. (2014). The national origins of policy ideas: Knowledge regimes in the United States, France, Germany, and Denmark. Princeton University Press.
Chicago-čujuhus (17. p.)Campbell, John L., juo Ove K. Pederson. The National Origins of Policy Ideas: Knowledge Regimes in the United States, France, Germany, and Denmark. Princeton, New Jersey: Princeton University Press, 2014.
MLA-čujuhus (9. p.)Campbell, John L., juo Ove K. Pederson. The National Origins of Policy Ideas: Knowledge Regimes in the United States, France, Germany, and Denmark. Princeton University Press, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.