Cita APA (7th ed.)

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.

Cita Chicago (17th ed.)

Campbell, John L., i 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.

Cita MLA (9th ed.)

Campbell, John L., i Ove K. Pederson. The National Origins of Policy Ideas: Knowledge Regimes in the United States, France, Germany, and Denmark. Princeton University Press, 2014.