(2016). The logic of American politics. Thousand Oaks: CQ Press.
Dyfyniad Arddull ChicagoThe Logic of American Politics. Thousand Oaks: CQ Press, 2016.
Dyfyniad MLAThe Logic of American Politics. Thousand Oaks: CQ Press, 2016.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.