Orren, K. (2013). The search for American political development. Cambridge University.
Dyfyniad Arddull ChicagoOrren, Karen. The Search for American Political Development. Cambridge University, 2013.
Dyfyniad MLAOrren, Karen. The Search for American Political Development. Cambridge University, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.